Finding the Third Proportional to 3,504,354 and 5,123,488

Step by Step Solution

1. Step 1: Write the proportion equation
   3,504,354 : 5,123,488 = 5,123,488 : x
2. Step 2: Convert to fraction form
   3,504,354/5,123,488 = 5,123,488/x
3. Step 3: Cross multiply
   3,504,354x = 5,123,488 × 5,123,488
4. Step 4: Simplify right side
   3,504,354x = 26,250,129,286,144
5. Step 5: Solve for x
   x = 26,250,129,286,144/3,504,354
6. Step 6: Final answer
   x = 7,490,718.49