Finding the Third Proportional to 1,575,346 and 3,455,657

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575,346 : 3,455,657 = 3,455,657 : x
2. Step 2: Convert to fraction form
   1,575,346/3,455,657 = 3,455,657/x
3. Step 3: Cross multiply
   1,575,346x = 3,455,657 × 3,455,657
4. Step 4: Simplify right side
   1,575,346x = 11,941,565,301,649
5. Step 5: Solve for x
   x = 11,941,565,301,649/1,575,346
6. Step 6: Final answer
   x = 7,580,280.97