Finding the Third Proportional to 19,915.88 and 29,418.19

Step by Step Solution

1. Step 1: Write the proportion equation
   19,915.88 : 29,418.19 = 29,418.19 : x
2. Step 2: Convert to fraction form
   19,915.88/29,418.19 = 29,418.19/x
3. Step 3: Cross multiply
   19,915.88x = 29,418.19 × 29,418.19
4. Step 4: Simplify right side
   19,915.88x = 865,429,755.79
5. Step 5: Solve for x
   x = 865,429,755.79/19,915.88
6. Step 6: Final answer
   x = 43,454.27