Finding the Third Proportional to 710,364 and 1,521,816

Step by Step Solution

1. Step 1: Write the proportion equation
   710,364 : 1,521,816 = 1,521,816 : x
2. Step 2: Convert to fraction form
   710,364/1,521,816 = 1,521,816/x
3. Step 3: Cross multiply
   710,364x = 1,521,816 × 1,521,816
4. Step 4: Simplify right side
   710,364x = 2,315,923,937,856
5. Step 5: Solve for x
   x = 2,315,923,937,856/710,364
6. Step 6: Final answer
   x = 3,260,193.28