Finding the Third Proportional to 1,648,570 and 3,474,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,570 : 3,474,260 = 3,474,260 : x
2. Step 2: Convert to fraction form
   1,648,570/3,474,260 = 3,474,260/x
3. Step 3: Cross multiply
   1,648,570x = 3,474,260 × 3,474,260
4. Step 4: Simplify right side
   1,648,570x = 12,070,482,547,600
5. Step 5: Solve for x
   x = 12,070,482,547,600/1,648,570
6. Step 6: Final answer
   x = 7,321,789.52