Finding the Third Proportional to 1,427,580 and 3,090,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,580 : 3,090,384 = 3,090,384 : x
2. Step 2: Convert to fraction form
   1,427,580/3,090,384 = 3,090,384/x
3. Step 3: Cross multiply
   1,427,580x = 3,090,384 × 3,090,384
4. Step 4: Simplify right side
   1,427,580x = 9,550,473,267,456
5. Step 5: Solve for x
   x = 9,550,473,267,456/1,427,580
6. Step 6: Final answer
   x = 6,689,974.13