Finding the Third Proportional to 523,136 and 1,129,200

Step by Step Solution

1. Step 1: Write the proportion equation
   523,136 : 1,129,200 = 1,129,200 : x
2. Step 2: Convert to fraction form
   523,136/1,129,200 = 1,129,200/x
3. Step 3: Cross multiply
   523,136x = 1,129,200 × 1,129,200
4. Step 4: Simplify right side
   523,136x = 1,275,092,640,000
5. Step 5: Solve for x
   x = 1,275,092,640,000/523,136
6. Step 6: Final answer
   x = 2,437,401.82