Finding the Third Proportional to 660,963 and 891,796

Step by Step Solution

1. Step 1: Write the proportion equation
   660,963 : 891,796 = 891,796 : x
2. Step 2: Convert to fraction form
   660,963/891,796 = 891,796/x
3. Step 3: Cross multiply
   660,963x = 891,796 × 891,796
4. Step 4: Simplify right side
   660,963x = 795,300,105,616
5. Step 5: Solve for x
   x = 795,300,105,616/660,963
6. Step 6: Final answer
   x = 1,203,244.52