Finding the Third Proportional to 60,324 and 91,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,324 : 91,780.50 = 91,780.50 : x
2. Step 2: Convert to fraction form
   60,324/91,780.50 = 91,780.50/x
3. Step 3: Cross multiply
   60,324x = 91,780.50 × 91,780.50
4. Step 4: Simplify right side
   60,324x = 8,423,660,180.25
5. Step 5: Solve for x
   x = 8,423,660,180.25/60,324
6. Step 6: Final answer
   x = 139,640.28