Finding the Third Proportional to 1,437,134 and 3,129,418

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437,134 : 3,129,418 = 3,129,418 : x
2. Step 2: Convert to fraction form
   1,437,134/3,129,418 = 3,129,418/x
3. Step 3: Cross multiply
   1,437,134x = 3,129,418 × 3,129,418
4. Step 4: Simplify right side
   1,437,134x = 9,793,257,018,724
5. Step 5: Solve for x
   x = 9,793,257,018,724/1,437,134
6. Step 6: Final answer
   x = 6,814,435.55