Finding the Third Proportional to 710,388 and 1,521,864

Step by Step Solution

1. Step 1: Write the proportion equation
   710,388 : 1,521,864 = 1,521,864 : x
2. Step 2: Convert to fraction form
   710,388/1,521,864 = 1,521,864/x
3. Step 3: Cross multiply
   710,388x = 1,521,864 × 1,521,864
4. Step 4: Simplify right side
   710,388x = 2,316,070,034,496
5. Step 5: Solve for x
   x = 2,316,070,034,496/710,388
6. Step 6: Final answer
   x = 3,260,288.79