Finding the Third Proportional to 63,920 and 100,276.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,920 : 100,276.50 = 100,276.50 : x
2. Step 2: Convert to fraction form
   63,920/100,276.50 = 100,276.50/x
3. Step 3: Cross multiply
   63,920x = 100,276.50 × 100,276.50
4. Step 4: Simplify right side
   63,920x = 10,055,376,452.25
5. Step 5: Solve for x
   x = 10,055,376,452.25/63,920
6. Step 6: Final answer
   x = 157,311.90