Finding the Third Proportional to 1,663,306 and 3,644,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,306 : 3,644,820 = 3,644,820 : x
2. Step 2: Convert to fraction form
   1,663,306/3,644,820 = 3,644,820/x
3. Step 3: Cross multiply
   1,663,306x = 3,644,820 × 3,644,820
4. Step 4: Simplify right side
   1,663,306x = 13,284,712,832,400
5. Step 5: Solve for x
   x = 13,284,712,832,400/1,663,306
6. Step 6: Final answer
   x = 7,986,932.55