Finding the Third Proportional to 455,672 and 997,123

Step by Step Solution

1. Step 1: Write the proportion equation
   455,672 : 997,123 = 997,123 : x
2. Step 2: Convert to fraction form
   455,672/997,123 = 997,123/x
3. Step 3: Cross multiply
   455,672x = 997,123 × 997,123
4. Step 4: Simplify right side
   455,672x = 994,254,277,129
5. Step 5: Solve for x
   x = 994,254,277,129/455,672
6. Step 6: Final answer
   x = 2,181,951.66