Finding the Third Proportional to 37,218 and 63,612.75

Step by Step Solution

1. Step 1: Write the proportion equation
   37,218 : 63,612.75 = 63,612.75 : x
2. Step 2: Convert to fraction form
   37,218/63,612.75 = 63,612.75/x
3. Step 3: Cross multiply
   37,218x = 63,612.75 × 63,612.75
4. Step 4: Simplify right side
   37,218x = 4,046,581,962.56
5. Step 5: Solve for x
   x = 4,046,581,962.56/37,218
6. Step 6: Final answer
   x = 108,726.48