Finding the Third Proportional to 29,118.88 and 63,690.13

Step by Step Solution

1. Step 1: Write the proportion equation
   29,118.88 : 63,690.13 = 63,690.13 : x
2. Step 2: Convert to fraction form
   29,118.88/63,690.13 = 63,690.13/x
3. Step 3: Cross multiply
   29,118.88x = 63,690.13 × 63,690.13
4. Step 4: Simplify right side
   29,118.88x = 4,056,432,022.52
5. Step 5: Solve for x
   x = 4,056,432,022.52/29,118.88
6. Step 6: Final answer
   x = 139,305.93