Finding the Third Proportional to 1,572,442 and 3,439,305

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,442 : 3,439,305 = 3,439,305 : x
2. Step 2: Convert to fraction form
   1,572,442/3,439,305 = 3,439,305/x
3. Step 3: Cross multiply
   1,572,442x = 3,439,305 × 3,439,305
4. Step 4: Simplify right side
   1,572,442x = 11,828,818,883,025
5. Step 5: Solve for x
   x = 11,828,818,883,025/1,572,442
6. Step 6: Final answer
   x = 7,522,578.82