Finding the Third Proportional to 1,575,113 and 3,435,311

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575,113 : 3,435,311 = 3,435,311 : x
2. Step 2: Convert to fraction form
   1,575,113/3,435,311 = 3,435,311/x
3. Step 3: Cross multiply
   1,575,113x = 3,435,311 × 3,435,311
4. Step 4: Simplify right side
   1,575,113x = 11,801,361,666,721
5. Step 5: Solve for x
   x = 11,801,361,666,721/1,575,113
6. Step 6: Final answer
   x = 7,492,390.49