Finding the Third Proportional to 133,545 and 207,976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   133,545 : 207,976.50 = 207,976.50 : x
2. Step 2: Convert to fraction form
   133,545/207,976.50 = 207,976.50/x
3. Step 3: Cross multiply
   133,545x = 207,976.50 × 207,976.50
4. Step 4: Simplify right side
   133,545x = 43,254,224,552.25
5. Step 5: Solve for x
   x = 43,254,224,552.25/133,545
6. Step 6: Final answer
   x = 323,892.50