Finding the Third Proportional to 48,687.75 and 68,411.25

Step by Step Solution

1. Step 1: Write the proportion equation
   48,687.75 : 68,411.25 = 68,411.25 : x
2. Step 2: Convert to fraction form
   48,687.75/68,411.25 = 68,411.25/x
3. Step 3: Cross multiply
   48,687.75x = 68,411.25 × 68,411.25
4. Step 4: Simplify right side
   48,687.75x = 4,680,099,126.56
5. Step 5: Solve for x
   x = 4,680,099,126.56/48,687.75
6. Step 6: Final answer
   x = 96,124.78