Finding the Third Proportional to 28,108.13 and 42,737.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,108.13 : 42,737.75 = 42,737.75 : x
2. Step 2: Convert to fraction form
   28,108.13/42,737.75 = 42,737.75/x
3. Step 3: Cross multiply
   28,108.13x = 42,737.75 × 42,737.75
4. Step 4: Simplify right side
   28,108.13x = 1,826,515,275.06
5. Step 5: Solve for x
   x = 1,826,515,275.06/28,108.13
6. Step 6: Final answer
   x = 64,981.75