Finding the Third Proportional to 738,316 and 1,156,686

Step by Step Solution

1. Step 1: Write the proportion equation
   738,316 : 1,156,686 = 1,156,686 : x
2. Step 2: Convert to fraction form
   738,316/1,156,686 = 1,156,686/x
3. Step 3: Cross multiply
   738,316x = 1,156,686 × 1,156,686
4. Step 4: Simplify right side
   738,316x = 1,337,922,502,596
5. Step 5: Solve for x
   x = 1,337,922,502,596/738,316
6. Step 6: Final answer
   x = 1,812,127.20