Finding the Third Proportional to 63,978.75 and 100,363.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,978.75 : 100,363.50 = 100,363.50 : x
2. Step 2: Convert to fraction form
   63,978.75/100,363.50 = 100,363.50/x
3. Step 3: Cross multiply
   63,978.75x = 100,363.50 × 100,363.50
4. Step 4: Simplify right side
   63,978.75x = 10,072,832,132.25
5. Step 5: Solve for x
   x = 10,072,832,132.25/63,978.75
6. Step 6: Final answer
   x = 157,440.28