Finding the Third Proportional to 1,372,606 and 2,069,709

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,606 : 2,069,709 = 2,069,709 : x
2. Step 2: Convert to fraction form
   1,372,606/2,069,709 = 2,069,709/x
3. Step 3: Cross multiply
   1,372,606x = 2,069,709 × 2,069,709
4. Step 4: Simplify right side
   1,372,606x = 4,283,695,344,681
5. Step 5: Solve for x
   x = 4,283,695,344,681/1,372,606
6. Step 6: Final answer
   x = 3,120,848.48