Finding the Third Proportional to 28,726 and 60,930

Step by Step Solution

1. Step 1: Write the proportion equation
   28,726 : 60,930 = 60,930 : x
2. Step 2: Convert to fraction form
   28,726/60,930 = 60,930/x
3. Step 3: Cross multiply
   28,726x = 60,930 × 60,930
4. Step 4: Simplify right side
   28,726x = 3,712,464,900
5. Step 5: Solve for x
   x = 3,712,464,900/28,726
6. Step 6: Final answer
   x = 129,237.10