Finding the Third Proportional to 40,780 and 62,700

Step by Step Solution

1. Step 1: Write the proportion equation
   40,780 : 62,700 = 62,700 : x
2. Step 2: Convert to fraction form
   40,780/62,700 = 62,700/x
3. Step 3: Cross multiply
   40,780x = 62,700 × 62,700
4. Step 4: Simplify right side
   40,780x = 3,931,290,000
5. Step 5: Solve for x
   x = 3,931,290,000/40,780
6. Step 6: Final answer
   x = 96,402.40