Finding the Third Proportional to 47,372.50 and 68,439.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,372.50 : 68,439.50 = 68,439.50 : x
2. Step 2: Convert to fraction form
   47,372.50/68,439.50 = 68,439.50/x
3. Step 3: Cross multiply
   47,372.50x = 68,439.50 × 68,439.50
4. Step 4: Simplify right side
   47,372.50x = 4,683,965,160.25
5. Step 5: Solve for x
   x = 4,683,965,160.25/47,372.50
6. Step 6: Final answer
   x = 98,875.19