Finding the Third Proportional to 1,405,060 and 3,315,731

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,060 : 3,315,731 = 3,315,731 : x
2. Step 2: Convert to fraction form
   1,405,060/3,315,731 = 3,315,731/x
3. Step 3: Cross multiply
   1,405,060x = 3,315,731 × 3,315,731
4. Step 4: Simplify right side
   1,405,060x = 10,994,072,064,361
5. Step 5: Solve for x
   x = 10,994,072,064,361/1,405,060
6. Step 6: Final answer
   x = 7,824,628.18