Finding the Third Proportional to 422,377 and 919,111

Step by Step Solution

1. Step 1: Write the proportion equation
   422,377 : 919,111 = 919,111 : x
2. Step 2: Convert to fraction form
   422,377/919,111 = 919,111/x
3. Step 3: Cross multiply
   422,377x = 919,111 × 919,111
4. Step 4: Simplify right side
   422,377x = 844,765,030,321
5. Step 5: Solve for x
   x = 844,765,030,321/422,377
6. Step 6: Final answer
   x = 2,000,026.11