Finding the Third Proportional to 231,153,516 and 316,967,632.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,153,516 : 316,967,632.50 = 316,967,632.50 : x
2. Step 2: Convert to fraction form
   231,153,516/316,967,632.50 = 316,967,632.50/x
3. Step 3: Cross multiply
   231,153,516x = 316,967,632.50 × 316,967,632.50
4. Step 4: Simplify right side
   231,153,516x = 100,468,480,052,655,056
5. Step 5: Solve for x
   x = 100,468,480,052,655,056/231,153,516
6. Step 6: Final answer
   x = 434,639,635.99