Finding the Third Proportional to 63,879.75 and 99,190.13

Step by Step Solution

1. Step 1: Write the proportion equation
   63,879.75 : 99,190.13 = 99,190.13 : x
2. Step 2: Convert to fraction form
   63,879.75/99,190.13 = 99,190.13/x
3. Step 3: Cross multiply
   63,879.75x = 99,190.13 × 99,190.13
4. Step 4: Simplify right side
   63,879.75x = 9,838,680,897.52
5. Step 5: Solve for x
   x = 9,838,680,897.52/63,879.75
6. Step 6: Final answer
   x = 154,018.78