Finding the Third Proportional to 900,616 and 1,380,876

Step by Step Solution

1. Step 1: Write the proportion equation
   900,616 : 1,380,876 = 1,380,876 : x
2. Step 2: Convert to fraction form
   900,616/1,380,876 = 1,380,876/x
3. Step 3: Cross multiply
   900,616x = 1,380,876 × 1,380,876
4. Step 4: Simplify right side
   900,616x = 1,906,818,527,376
5. Step 5: Solve for x
   x = 1,906,818,527,376/900,616
6. Step 6: Final answer
   x = 2,117,238.12