Finding the Third Proportional to 62,288 and 130,648

Step by Step Solution

1. Step 1: Write the proportion equation
   62,288 : 130,648 = 130,648 : x
2. Step 2: Convert to fraction form
   62,288/130,648 = 130,648/x
3. Step 3: Cross multiply
   62,288x = 130,648 × 130,648
4. Step 4: Simplify right side
   62,288x = 17,068,899,904
5. Step 5: Solve for x
   x = 17,068,899,904/62,288
6. Step 6: Final answer
   x = 274,031.91