Finding the Third Proportional to 891,367 and 1,380,810

Step by Step Solution

1. Step 1: Write the proportion equation
   891,367 : 1,380,810 = 1,380,810 : x
2. Step 2: Convert to fraction form
   891,367/1,380,810 = 1,380,810/x
3. Step 3: Cross multiply
   891,367x = 1,380,810 × 1,380,810
4. Step 4: Simplify right side
   891,367x = 1,906,636,256,100
5. Step 5: Solve for x
   x = 1,906,636,256,100/891,367
6. Step 6: Final answer
   x = 2,139,002.52