Finding the Third Proportional to 1,647,492 and 3,578,350

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,492 : 3,578,350 = 3,578,350 : x
2. Step 2: Convert to fraction form
   1,647,492/3,578,350 = 3,578,350/x
3. Step 3: Cross multiply
   1,647,492x = 3,578,350 × 3,578,350
4. Step 4: Simplify right side
   1,647,492x = 12,804,588,722,500
5. Step 5: Solve for x
   x = 12,804,588,722,500/1,647,492
6. Step 6: Final answer
   x = 7,772,170.50