Finding the Third Proportional to 4,738,413 and 7,278,722

Step by Step Solution

1. Step 1: Write the proportion equation
   4,738,413 : 7,278,722 = 7,278,722 : x
2. Step 2: Convert to fraction form
   4,738,413/7,278,722 = 7,278,722/x
3. Step 3: Cross multiply
   4,738,413x = 7,278,722 × 7,278,722
4. Step 4: Simplify right side
   4,738,413x = 52,979,793,953,284
5. Step 5: Solve for x
   x = 52,979,793,953,284/4,738,413
6. Step 6: Final answer
   x = 11,180,915.20