Finding the Third Proportional to 890,666 and 1,377,471

Step by Step Solution

1. Step 1: Write the proportion equation
   890,666 : 1,377,471 = 1,377,471 : x
2. Step 2: Convert to fraction form
   890,666/1,377,471 = 1,377,471/x
3. Step 3: Cross multiply
   890,666x = 1,377,471 × 1,377,471
4. Step 4: Simplify right side
   890,666x = 1,897,426,355,841
5. Step 5: Solve for x
   x = 1,897,426,355,841/890,666
6. Step 6: Final answer
   x = 2,130,345.56