Finding the Third Proportional to 3,504,355 and 5,123,490

Step by Step Solution

1. Step 1: Write the proportion equation
   3,504,355 : 5,123,490 = 5,123,490 : x
2. Step 2: Convert to fraction form
   3,504,355/5,123,490 = 5,123,490/x
3. Step 3: Cross multiply
   3,504,355x = 5,123,490 × 5,123,490
4. Step 4: Simplify right side
   3,504,355x = 26,250,149,780,100
5. Step 5: Solve for x
   x = 26,250,149,780,100/3,504,355
6. Step 6: Final answer
   x = 7,490,722.20