Finding the Third Proportional to 510,372 and 1,098,738

Step by Step Solution

1. Step 1: Write the proportion equation
   510,372 : 1,098,738 = 1,098,738 : x
2. Step 2: Convert to fraction form
   510,372/1,098,738 = 1,098,738/x
3. Step 3: Cross multiply
   510,372x = 1,098,738 × 1,098,738
4. Step 4: Simplify right side
   510,372x = 1,207,225,192,644
5. Step 5: Solve for x
   x = 1,207,225,192,644/510,372
6. Step 6: Final answer
   x = 2,365,382.88