Finding the Third Proportional to 38,748 and 84,870

Step by Step Solution

1. Step 1: Write the proportion equation
   38,748 : 84,870 = 84,870 : x
2. Step 2: Convert to fraction form
   38,748/84,870 = 84,870/x
3. Step 3: Cross multiply
   38,748x = 84,870 × 84,870
4. Step 4: Simplify right side
   38,748x = 7,202,916,900
5. Step 5: Solve for x
   x = 7,202,916,900/38,748
6. Step 6: Final answer
   x = 185,891.32