Finding the Third Proportional to 1,427,358 and 3,138,610

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,358 : 3,138,610 = 3,138,610 : x
2. Step 2: Convert to fraction form
   1,427,358/3,138,610 = 3,138,610/x
3. Step 3: Cross multiply
   1,427,358x = 3,138,610 × 3,138,610
4. Step 4: Simplify right side
   1,427,358x = 9,850,872,732,100
5. Step 5: Solve for x
   x = 9,850,872,732,100/1,427,358
6. Step 6: Final answer
   x = 6,901,473.02