Finding the Third Proportional to 1,575,342 and 3,455,649

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575,342 : 3,455,649 = 3,455,649 : x
2. Step 2: Convert to fraction form
   1,575,342/3,455,649 = 3,455,649/x
3. Step 3: Cross multiply
   1,575,342x = 3,455,649 × 3,455,649
4. Step 4: Simplify right side
   1,575,342x = 11,941,510,011,201
5. Step 5: Solve for x
   x = 11,941,510,011,201/1,575,342
6. Step 6: Final answer
   x = 7,580,265.12