Finding the Third Proportional to 4,738,415 and 7,278,725

Step by Step Solution

1. Step 1: Write the proportion equation
   4,738,415 : 7,278,725 = 7,278,725 : x
2. Step 2: Convert to fraction form
   4,738,415/7,278,725 = 7,278,725/x
3. Step 3: Cross multiply
   4,738,415x = 7,278,725 × 7,278,725
4. Step 4: Simplify right side
   4,738,415x = 52,979,837,625,625
5. Step 5: Solve for x
   x = 52,979,837,625,625/4,738,415
6. Step 6: Final answer
   x = 11,180,919.70