Finding the Third Proportional to 81,719,166,022.50 and 115,028,447,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,719,166,022.50 : 115,028,447,068.50 = 115,028,447,068.50 : x
2. Step 2: Convert to fraction form
   81,719,166,022.50/115,028,447,068.50 = 115,028,447,068.50/x
3. Step 3: Cross multiply
   81,719,166,022.50x = 115,028,447,068.50 × 115,028,447,068.50
4. Step 4: Simplify right side
   81,719,166,022.50x = 13,231,543,634,990,706,196,480
5. Step 5: Solve for x
   x = 13,231,543,634,990,706,196,480/81,719,166,022.50
6. Step 6: Final answer
   x = 161,914,814,834.84