Finding the Third Proportional to 15,619.39 and 34,354.13

Step by Step Solution

1. Step 1: Write the proportion equation
   15,619.39 : 34,354.13 = 34,354.13 : x
2. Step 2: Convert to fraction form
   15,619.39/34,354.13 = 34,354.13/x
3. Step 3: Cross multiply
   15,619.39x = 34,354.13 × 34,354.13
4. Step 4: Simplify right side
   15,619.39x = 1,180,205,904.52
5. Step 5: Solve for x
   x = 1,180,205,904.52/15,619.39
6. Step 6: Final answer
   x = 75,560.29