Finding the Third Proportional to 45,687.50 and 68,531.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,687.50 : 68,531.25 = 68,531.25 : x
2. Step 2: Convert to fraction form
   45,687.50/68,531.25 = 68,531.25/x
3. Step 3: Cross multiply
   45,687.50x = 68,531.25 × 68,531.25
4. Step 4: Simplify right side
   45,687.50x = 4,696,532,226.56
5. Step 5: Solve for x
   x = 4,696,532,226.56/45,687.50
6. Step 6: Final answer
   x = 102,796.88