Finding the Third Proportional to 1,580,280 and 3,475,632

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580,280 : 3,475,632 = 3,475,632 : x
2. Step 2: Convert to fraction form
   1,580,280/3,475,632 = 3,475,632/x
3. Step 3: Cross multiply
   1,580,280x = 3,475,632 × 3,475,632
4. Step 4: Simplify right side
   1,580,280x = 12,080,017,799,424
5. Step 5: Solve for x
   x = 12,080,017,799,424/1,580,280
6. Step 6: Final answer
   x = 7,644,226.21