Finding the Third Proportional to 81,719,167,263 and 115,028,448,870

Step by Step Solution

1. Step 1: Write the proportion equation
   81,719,167,263 : 115,028,448,870 = 115,028,448,870 : x
2. Step 2: Convert to fraction form
   81,719,167,263/115,028,448,870 = 115,028,448,870/x
3. Step 3: Cross multiply
   81,719,167,263x = 115,028,448,870 × 115,028,448,870
4. Step 4: Simplify right side
   81,719,167,263x = 13,231,544,049,438,203,838,464
5. Step 5: Solve for x
   x = 13,231,544,049,438,203,838,464/81,719,167,263
6. Step 6: Final answer
   x = 161,914,817,448.58