Finding the Third Proportional to 3,452,234 and 5,178,348

Step by Step Solution

1. Step 1: Write the proportion equation
   3,452,234 : 5,178,348 = 5,178,348 : x
2. Step 2: Convert to fraction form
   3,452,234/5,178,348 = 5,178,348/x
3. Step 3: Cross multiply
   3,452,234x = 5,178,348 × 5,178,348
4. Step 4: Simplify right side
   3,452,234x = 26,815,288,009,104
5. Step 5: Solve for x
   x = 26,815,288,009,104/3,452,234
6. Step 6: Final answer
   x = 7,767,517.50