Finding the Third Proportional to 40,588.50 and 63,687.38

Step by Step Solution

1. Step 1: Write the proportion equation
   40,588.50 : 63,687.38 = 63,687.38 : x
2. Step 2: Convert to fraction form
   40,588.50/63,687.38 = 63,687.38/x
3. Step 3: Cross multiply
   40,588.50x = 63,687.38 × 63,687.38
4. Step 4: Simplify right side
   40,588.50x = 4,056,081,734.39
5. Step 5: Solve for x
   x = 4,056,081,734.39/40,588.50
6. Step 6: Final answer
   x = 99,931.80