Finding the Third Proportional to 1,577,302 and 3,420,338

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,302 : 3,420,338 = 3,420,338 : x
2. Step 2: Convert to fraction form
   1,577,302/3,420,338 = 3,420,338/x
3. Step 3: Cross multiply
   1,577,302x = 3,420,338 × 3,420,338
4. Step 4: Simplify right side
   1,577,302x = 11,698,712,034,244
5. Step 5: Solve for x
   x = 11,698,712,034,244/1,577,302
6. Step 6: Final answer
   x = 7,416,913.21