Finding the Third Proportional to 1,252,290 and 2,681,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,252,290 : 2,681,670 = 2,681,670 : x
2. Step 2: Convert to fraction form
   1,252,290/2,681,670 = 2,681,670/x
3. Step 3: Cross multiply
   1,252,290x = 2,681,670 × 2,681,670
4. Step 4: Simplify right side
   1,252,290x = 7,191,353,988,900
5. Step 5: Solve for x
   x = 7,191,353,988,900/1,252,290
6. Step 6: Final answer
   x = 5,742,562.82