Finding the Third Proportional to 62,111 and 87,801

Step by Step Solution

1. Step 1: Write the proportion equation
   62,111 : 87,801 = 87,801 : x
2. Step 2: Convert to fraction form
   62,111/87,801 = 87,801/x
3. Step 3: Cross multiply
   62,111x = 87,801 × 87,801
4. Step 4: Simplify right side
   62,111x = 7,709,015,601
5. Step 5: Solve for x
   x = 7,709,015,601/62,111
6. Step 6: Final answer
   x = 124,116.75