Finding the Third Proportional to 40,879.69 and 63,438.19

Step by Step Solution

1. Step 1: Write the proportion equation
   40,879.69 : 63,438.19 = 63,438.19 : x
2. Step 2: Convert to fraction form
   40,879.69/63,438.19 = 63,438.19/x
3. Step 3: Cross multiply
   40,879.69x = 63,438.19 × 63,438.19
4. Step 4: Simplify right side
   40,879.69x = 4,024,403,633.29
5. Step 5: Solve for x
   x = 4,024,403,633.29/40,879.69
6. Step 6: Final answer
   x = 98,445.07