Finding the Third Proportional to 12,545 and 29,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,545 : 29,612.50 = 29,612.50 : x
2. Step 2: Convert to fraction form
   12,545/29,612.50 = 29,612.50/x
3. Step 3: Cross multiply
   12,545x = 29,612.50 × 29,612.50
4. Step 4: Simplify right side
   12,545x = 876,900,156.25
5. Step 5: Solve for x
   x = 876,900,156.25/12,545
6. Step 6: Final answer
   x = 69,900.37