Finding the Third Proportional to 5,078,268 and 7,872,046.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,078,268 : 7,872,046.50 = 7,872,046.50 : x
2. Step 2: Convert to fraction form
   5,078,268/7,872,046.50 = 7,872,046.50/x
3. Step 3: Cross multiply
   5,078,268x = 7,872,046.50 × 7,872,046.50
4. Step 4: Simplify right side
   5,078,268x = 61,969,116,098,162.25
5. Step 5: Solve for x
   x = 61,969,116,098,162.25/5,078,268
6. Step 6: Final answer
   x = 12,202,805.39