Finding the Third Proportional to 1,405,090 and 3,031,364

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,090 : 3,031,364 = 3,031,364 : x
2. Step 2: Convert to fraction form
   1,405,090/3,031,364 = 3,031,364/x
3. Step 3: Cross multiply
   1,405,090x = 3,031,364 × 3,031,364
4. Step 4: Simplify right side
   1,405,090x = 9,189,167,700,496
5. Step 5: Solve for x
   x = 9,189,167,700,496/1,405,090
6. Step 6: Final answer
   x = 6,539,913.96