Finding the Third Proportional to 623,963 and 892,300

Step by Step Solution

1. Step 1: Write the proportion equation
   623,963 : 892,300 = 892,300 : x
2. Step 2: Convert to fraction form
   623,963/892,300 = 892,300/x
3. Step 3: Cross multiply
   623,963x = 892,300 × 892,300
4. Step 4: Simplify right side
   623,963x = 796,199,290,000
5. Step 5: Solve for x
   x = 796,199,290,000/623,963
6. Step 6: Final answer
   x = 1,276,036.06