Finding the Third Proportional to 62,770 and 87,996

Step by Step Solution

1. Step 1: Write the proportion equation
   62,770 : 87,996 = 87,996 : x
2. Step 2: Convert to fraction form
   62,770/87,996 = 87,996/x
3. Step 3: Cross multiply
   62,770x = 87,996 × 87,996
4. Step 4: Simplify right side
   62,770x = 7,743,296,016
5. Step 5: Solve for x
   x = 7,743,296,016/62,770
6. Step 6: Final answer
   x = 123,359.82