Finding the Third Proportional to 422,376 and 919,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   422,376 : 919,108.50 = 919,108.50 : x
2. Step 2: Convert to fraction form
   422,376/919,108.50 = 919,108.50/x
3. Step 3: Cross multiply
   422,376x = 919,108.50 × 919,108.50
4. Step 4: Simplify right side
   422,376x = 844,760,434,772.25
5. Step 5: Solve for x
   x = 844,760,434,772.25/422,376
6. Step 6: Final answer
   x = 2,000,019.97