Finding the Third Proportional to 62,740 and 85,116

Step by Step Solution

1. Step 1: Write the proportion equation
   62,740 : 85,116 = 85,116 : x
2. Step 2: Convert to fraction form
   62,740/85,116 = 85,116/x
3. Step 3: Cross multiply
   62,740x = 85,116 × 85,116
4. Step 4: Simplify right side
   62,740x = 7,244,733,456
5. Step 5: Solve for x
   x = 7,244,733,456/62,740
6. Step 6: Final answer
   x = 115,472.32