Finding the Third Proportional to 762,899 and 1,120,992

Step by Step Solution

1. Step 1: Write the proportion equation
   762,899 : 1,120,992 = 1,120,992 : x
2. Step 2: Convert to fraction form
   762,899/1,120,992 = 1,120,992/x
3. Step 3: Cross multiply
   762,899x = 1,120,992 × 1,120,992
4. Step 4: Simplify right side
   762,899x = 1,256,623,064,064
5. Step 5: Solve for x
   x = 1,256,623,064,064/762,899
6. Step 6: Final answer
   x = 1,647,168.32