Finding the Third Proportional to 1,511,724 and 2,291,581

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511,724 : 2,291,581 = 2,291,581 : x
2. Step 2: Convert to fraction form
   1,511,724/2,291,581 = 2,291,581/x
3. Step 3: Cross multiply
   1,511,724x = 2,291,581 × 2,291,581
4. Step 4: Simplify right side
   1,511,724x = 5,251,343,479,561
5. Step 5: Solve for x
   x = 5,251,343,479,561/1,511,724
6. Step 6: Final answer
   x = 3,473,744.86