Finding the Third Proportional to 43,432.50 and 68,828.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,432.50 : 68,828.75 = 68,828.75 : x
2. Step 2: Convert to fraction form
   43,432.50/68,828.75 = 68,828.75/x
3. Step 3: Cross multiply
   43,432.50x = 68,828.75 × 68,828.75
4. Step 4: Simplify right side
   43,432.50x = 4,737,396,826.56
5. Step 5: Solve for x
   x = 4,737,396,826.56/43,432.50
6. Step 6: Final answer
   x = 109,074.93