Finding the Third Proportional to 55,076 and 87,535

Step by Step Solution

1. Step 1: Write the proportion equation
   55,076 : 87,535 = 87,535 : x
2. Step 2: Convert to fraction form
   55,076/87,535 = 87,535/x
3. Step 3: Cross multiply
   55,076x = 87,535 × 87,535
4. Step 4: Simplify right side
   55,076x = 7,662,376,225
5. Step 5: Solve for x
   x = 7,662,376,225/55,076
6. Step 6: Final answer
   x = 139,123.69