Finding the Third Proportional to 115,046,434 and 155,485,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,046,434 : 155,485,777.50 = 155,485,777.50 : x
2. Step 2: Convert to fraction form
   115,046,434/155,485,777.50 = 155,485,777.50/x
3. Step 3: Cross multiply
   115,046,434x = 155,485,777.50 × 155,485,777.50
4. Step 4: Simplify right side
   115,046,434x = 24,175,827,004,779,508
5. Step 5: Solve for x
   x = 24,175,827,004,779,508/115,046,434
6. Step 6: Final answer
   x = 210,139,733.71