Finding the Third Proportional to 455,648 and 997,074

Step by Step Solution

1. Step 1: Write the proportion equation
   455,648 : 997,074 = 997,074 : x
2. Step 2: Convert to fraction form
   455,648/997,074 = 997,074/x
3. Step 3: Cross multiply
   455,648x = 997,074 × 997,074
4. Step 4: Simplify right side
   455,648x = 994,156,561,476
5. Step 5: Solve for x
   x = 994,156,561,476/455,648
6. Step 6: Final answer
   x = 2,181,852.13