Finding the Third Proportional to 13,387.78 and 29,403.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,387.78 : 29,403.32 = 29,403.32 : x
2. Step 2: Convert to fraction form
   13,387.78/29,403.32 = 29,403.32/x
3. Step 3: Cross multiply
   13,387.78x = 29,403.32 × 29,403.32
4. Step 4: Simplify right side
   13,387.78x = 864,555,015.69
5. Step 5: Solve for x
   x = 864,555,015.69/13,387.78
6. Step 6: Final answer
   x = 64,577.92