Finding the Third Proportional to 124,534 and 257,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,534 : 257,929.50 = 257,929.50 : x
2. Step 2: Convert to fraction form
   124,534/257,929.50 = 257,929.50/x
3. Step 3: Cross multiply
   124,534x = 257,929.50 × 257,929.50
4. Step 4: Simplify right side
   124,534x = 66,527,626,970.25
5. Step 5: Solve for x
   x = 66,527,626,970.25/124,534
6. Step 6: Final answer
   x = 534,212.56