Finding the Third Proportional to 663,943 and 1,003,820

Step by Step Solution

1. Step 1: Write the proportion equation
   663,943 : 1,003,820 = 1,003,820 : x
2. Step 2: Convert to fraction form
   663,943/1,003,820 = 1,003,820/x
3. Step 3: Cross multiply
   663,943x = 1,003,820 × 1,003,820
4. Step 4: Simplify right side
   663,943x = 1,007,654,592,400
5. Step 5: Solve for x
   x = 1,007,654,592,400/663,943
6. Step 6: Final answer
   x = 1,517,682.38