Finding the Third Proportional to 890,664 and 1,377,468

Step by Step Solution

1. Step 1: Write the proportion equation
   890,664 : 1,377,468 = 1,377,468 : x
2. Step 2: Convert to fraction form
   890,664/1,377,468 = 1,377,468/x
3. Step 3: Cross multiply
   890,664x = 1,377,468 × 1,377,468
4. Step 4: Simplify right side
   890,664x = 1,897,418,091,024
5. Step 5: Solve for x
   x = 1,897,418,091,024/890,664
6. Step 6: Final answer
   x = 2,130,341.06