Finding the Third Proportional to 1,437,290 and 3,129,572

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437,290 : 3,129,572 = 3,129,572 : x
2. Step 2: Convert to fraction form
   1,437,290/3,129,572 = 3,129,572/x
3. Step 3: Cross multiply
   1,437,290x = 3,129,572 × 3,129,572
4. Step 4: Simplify right side
   1,437,290x = 9,794,220,903,184
5. Step 5: Solve for x
   x = 9,794,220,903,184/1,437,290
6. Step 6: Final answer
   x = 6,814,366.55