Finding the Third Proportional to 40,722.75 and 63,686.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,722.75 : 63,686.25 = 63,686.25 : x
2. Step 2: Convert to fraction form
   40,722.75/63,686.25 = 63,686.25/x
3. Step 3: Cross multiply
   40,722.75x = 63,686.25 × 63,686.25
4. Step 4: Simplify right side
   40,722.75x = 4,055,938,439.06
5. Step 5: Solve for x
   x = 4,055,938,439.06/40,722.75
6. Step 6: Final answer
   x = 99,598.83