Finding the Third Proportional to 133,064 and 288,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   133,064 : 288,510.50 = 288,510.50 : x
2. Step 2: Convert to fraction form
   133,064/288,510.50 = 288,510.50/x
3. Step 3: Cross multiply
   133,064x = 288,510.50 × 288,510.50
4. Step 4: Simplify right side
   133,064x = 83,238,308,610.25
5. Step 5: Solve for x
   x = 83,238,308,610.25/133,064
6. Step 6: Final answer
   x = 625,550.93