Finding the Third Proportional to 61,052 and 87,140

Step by Step Solution

1. Step 1: Write the proportion equation
   61,052 : 87,140 = 87,140 : x
2. Step 2: Convert to fraction form
   61,052/87,140 = 87,140/x
3. Step 3: Cross multiply
   61,052x = 87,140 × 87,140
4. Step 4: Simplify right side
   61,052x = 7,593,379,600
5. Step 5: Solve for x
   x = 7,593,379,600/61,052
6. Step 6: Final answer
   x = 124,375.61