Finding the Third Proportional to 42,311 and 62,157

Step by Step Solution

1. Step 1: Write the proportion equation
   42,311 : 62,157 = 62,157 : x
2. Step 2: Convert to fraction form
   42,311/62,157 = 62,157/x
3. Step 3: Cross multiply
   42,311x = 62,157 × 62,157
4. Step 4: Simplify right side
   42,311x = 3,863,492,649
5. Step 5: Solve for x
   x = 3,863,492,649/42,311
6. Step 6: Final answer
   x = 91,311.78