Finding the Third Proportional to 783,776 and 1,172,622

Step by Step Solution

1. Step 1: Write the proportion equation
   783,776 : 1,172,622 = 1,172,622 : x
2. Step 2: Convert to fraction form
   783,776/1,172,622 = 1,172,622/x
3. Step 3: Cross multiply
   783,776x = 1,172,622 × 1,172,622
4. Step 4: Simplify right side
   783,776x = 1,375,042,354,884
5. Step 5: Solve for x
   x = 1,375,042,354,884/783,776
6. Step 6: Final answer
   x = 1,754,381.81