Finding the Third Proportional to 28,080 and 58,644

Step by Step Solution

1. Step 1: Write the proportion equation
   28,080 : 58,644 = 58,644 : x
2. Step 2: Convert to fraction form
   28,080/58,644 = 58,644/x
3. Step 3: Cross multiply
   28,080x = 58,644 × 58,644
4. Step 4: Simplify right side
   28,080x = 3,439,118,736
5. Step 5: Solve for x
   x = 3,439,118,736/28,080
6. Step 6: Final answer
   x = 122,475.74