Finding the Third Proportional to 12,400.59 and 29,267.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,400.59 : 29,267.58 = 29,267.58 : x
2. Step 2: Convert to fraction form
   12,400.59/29,267.58 = 29,267.58/x
3. Step 3: Cross multiply
   12,400.59x = 29,267.58 × 29,267.58
4. Step 4: Simplify right side
   12,400.59x = 856,591,129.30
5. Step 5: Solve for x
   x = 856,591,129.30/12,400.59
6. Step 6: Final answer
   x = 69,076.62