Finding the Third Proportional to 40,659.47 and 63,448.31

Step by Step Solution

1. Step 1: Write the proportion equation
   40,659.47 : 63,448.31 = 63,448.31 : x
2. Step 2: Convert to fraction form
   40,659.47/63,448.31 = 63,448.31/x
3. Step 3: Cross multiply
   40,659.47x = 63,448.31 × 63,448.31
4. Step 4: Simplify right side
   40,659.47x = 4,025,688,359.10
5. Step 5: Solve for x
   x = 4,025,688,359.10/40,659.47
6. Step 6: Final answer
   x = 99,009.86