Finding the Third Proportional to 1,575,328 and 3,455,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575,328 : 3,455,648 = 3,455,648 : x
2. Step 2: Convert to fraction form
   1,575,328/3,455,648 = 3,455,648/x
3. Step 3: Cross multiply
   1,575,328x = 3,455,648 × 3,455,648
4. Step 4: Simplify right side
   1,575,328x = 11,941,503,099,904
5. Step 5: Solve for x
   x = 11,941,503,099,904/1,575,328
6. Step 6: Final answer
   x = 7,580,328.10