Finding the Third Proportional to 710,406 and 1,521,900

Step by Step Solution

1. Step 1: Write the proportion equation
   710,406 : 1,521,900 = 1,521,900 : x
2. Step 2: Convert to fraction form
   710,406/1,521,900 = 1,521,900/x
3. Step 3: Cross multiply
   710,406x = 1,521,900 × 1,521,900
4. Step 4: Simplify right side
   710,406x = 2,316,179,610,000
5. Step 5: Solve for x
   x = 2,316,179,610,000/710,406
6. Step 6: Final answer
   x = 3,260,360.43