Finding the Third Proportional to 28,760 and 63,060

Step by Step Solution

1. Step 1: Write the proportion equation
   28,760 : 63,060 = 63,060 : x
2. Step 2: Convert to fraction form
   28,760/63,060 = 63,060/x
3. Step 3: Cross multiply
   28,760x = 63,060 × 63,060
4. Step 4: Simplify right side
   28,760x = 3,976,563,600
5. Step 5: Solve for x
   x = 3,976,563,600/28,760
6. Step 6: Final answer
   x = 138,267.16