Finding the Third Proportional to 910,653 and 1,998,453

Step by Step Solution

1. Step 1: Write the proportion equation
   910,653 : 1,998,453 = 1,998,453 : x
2. Step 2: Convert to fraction form
   910,653/1,998,453 = 1,998,453/x
3. Step 3: Cross multiply
   910,653x = 1,998,453 × 1,998,453
4. Step 4: Simplify right side
   910,653x = 3,993,814,393,209
5. Step 5: Solve for x
   x = 3,993,814,393,209/910,653
6. Step 6: Final answer
   x = 4,385,659.95