Finding the Third Proportional to 42,612.75 and 63,920.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,612.75 : 63,920.25 = 63,920.25 : x
2. Step 2: Convert to fraction form
   42,612.75/63,920.25 = 63,920.25/x
3. Step 3: Cross multiply
   42,612.75x = 63,920.25 × 63,920.25
4. Step 4: Simplify right side
   42,612.75x = 4,085,798,360.06
5. Step 5: Solve for x
   x = 4,085,798,360.06/42,612.75
6. Step 6: Final answer
   x = 95,882.06