Finding the Third Proportional to 738,256 and 1,156,591

Step by Step Solution

1. Step 1: Write the proportion equation
   738,256 : 1,156,591 = 1,156,591 : x
2. Step 2: Convert to fraction form
   738,256/1,156,591 = 1,156,591/x
3. Step 3: Cross multiply
   738,256x = 1,156,591 × 1,156,591
4. Step 4: Simplify right side
   738,256x = 1,337,702,741,281
5. Step 5: Solve for x
   x = 1,337,702,741,281/738,256
6. Step 6: Final answer
   x = 1,811,976.80