Finding the Third Proportional to 1,577,262 and 3,420,252

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,262 : 3,420,252 = 3,420,252 : x
2. Step 2: Convert to fraction form
   1,577,262/3,420,252 = 3,420,252/x
3. Step 3: Cross multiply
   1,577,262x = 3,420,252 × 3,420,252
4. Step 4: Simplify right side
   1,577,262x = 11,698,123,743,504
5. Step 5: Solve for x
   x = 11,698,123,743,504/1,577,262
6. Step 6: Final answer
   x = 7,416,728.32