Finding the Third Proportional to 469,490 and 997,156

Step by Step Solution

1. Step 1: Write the proportion equation
   469,490 : 997,156 = 997,156 : x
2. Step 2: Convert to fraction form
   469,490/997,156 = 997,156/x
3. Step 3: Cross multiply
   469,490x = 997,156 × 997,156
4. Step 4: Simplify right side
   469,490x = 994,320,088,336
5. Step 5: Solve for x
   x = 994,320,088,336/469,490
6. Step 6: Final answer
   x = 2,117,872.77