Finding the Third Proportional to 1,662,578 and 3,573,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,578 : 3,573,800 = 3,573,800 : x
2. Step 2: Convert to fraction form
   1,662,578/3,573,800 = 3,573,800/x
3. Step 3: Cross multiply
   1,662,578x = 3,573,800 × 3,573,800
4. Step 4: Simplify right side
   1,662,578x = 12,772,046,440,000
5. Step 5: Solve for x
   x = 12,772,046,440,000/1,662,578
6. Step 6: Final answer
   x = 7,682,073.53