Finding the Third Proportional to 510,948 and 773,490

Step by Step Solution

1. Step 1: Write the proportion equation
   510,948 : 773,490 = 773,490 : x
2. Step 2: Convert to fraction form
   510,948/773,490 = 773,490/x
3. Step 3: Cross multiply
   510,948x = 773,490 × 773,490
4. Step 4: Simplify right side
   510,948x = 598,286,780,100
5. Step 5: Solve for x
   x = 598,286,780,100/510,948
6. Step 6: Final answer
   x = 1,170,934.77