Finding the Third Proportional to 173,870 and 370,707

Step by Step Solution

1. Step 1: Write the proportion equation
   173,870 : 370,707 = 370,707 : x
2. Step 2: Convert to fraction form
   173,870/370,707 = 370,707/x
3. Step 3: Cross multiply
   173,870x = 370,707 × 370,707
4. Step 4: Simplify right side
   173,870x = 137,423,679,849
5. Step 5: Solve for x
   x = 137,423,679,849/173,870
6. Step 6: Final answer
   x = 790,381.78