Finding the Third Proportional to 1,427,587 and 3,090,397

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,587 : 3,090,397 = 3,090,397 : x
2. Step 2: Convert to fraction form
   1,427,587/3,090,397 = 3,090,397/x
3. Step 3: Cross multiply
   1,427,587x = 3,090,397 × 3,090,397
4. Step 4: Simplify right side
   1,427,587x = 9,550,553,617,609
5. Step 5: Solve for x
   x = 9,550,553,617,609/1,427,587
6. Step 6: Final answer
   x = 6,689,997.61