Finding the Third Proportional to 890,056 and 1,377,320

Step by Step Solution

1. Step 1: Write the proportion equation
   890,056 : 1,377,320 = 1,377,320 : x
2. Step 2: Convert to fraction form
   890,056/1,377,320 = 1,377,320/x
3. Step 3: Cross multiply
   890,056x = 1,377,320 × 1,377,320
4. Step 4: Simplify right side
   890,056x = 1,897,010,382,400
5. Step 5: Solve for x
   x = 1,897,010,382,400/890,056
6. Step 6: Final answer
   x = 2,131,338.23