Finding the Third Proportional to 1,427,545 and 3,090,311

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,545 : 3,090,311 = 3,090,311 : x
2. Step 2: Convert to fraction form
   1,427,545/3,090,311 = 3,090,311/x
3. Step 3: Cross multiply
   1,427,545x = 3,090,311 × 3,090,311
4. Step 4: Simplify right side
   1,427,545x = 9,550,022,076,721
5. Step 5: Solve for x
   x = 9,550,022,076,721/1,427,545
6. Step 6: Final answer
   x = 6,689,822.09