Finding the Third Proportional to 773,200 and 1,156,200

Step by Step Solution

1. Step 1: Write the proportion equation
   773,200 : 1,156,200 = 1,156,200 : x
2. Step 2: Convert to fraction form
   773,200/1,156,200 = 1,156,200/x
3. Step 3: Cross multiply
   773,200x = 1,156,200 × 1,156,200
4. Step 4: Simplify right side
   773,200x = 1,336,798,440,000
5. Step 5: Solve for x
   x = 1,336,798,440,000/773,200
6. Step 6: Final answer
   x = 1,728,916.76