Finding the Third Proportional to 42,823.50 and 60,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,823.50 : 60,868.50 = 60,868.50 : x
2. Step 2: Convert to fraction form
   42,823.50/60,868.50 = 60,868.50/x
3. Step 3: Cross multiply
   42,823.50x = 60,868.50 × 60,868.50
4. Step 4: Simplify right side
   42,823.50x = 3,704,974,292.25
5. Step 5: Solve for x
   x = 3,704,974,292.25/42,823.50
6. Step 6: Final answer
   x = 86,517.32