Finding the Third Proportional to 231,527 and 356,516.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,527 : 356,516.50 = 356,516.50 : x
2. Step 2: Convert to fraction form
   231,527/356,516.50 = 356,516.50/x
3. Step 3: Cross multiply
   231,527x = 356,516.50 × 356,516.50
4. Step 4: Simplify right side
   231,527x = 127,104,014,772.25
5. Step 5: Solve for x
   x = 127,104,014,772.25/231,527
6. Step 6: Final answer
   x = 548,981.39