Finding the Third Proportional to 5,069,275 and 7,854,380

Step by Step Solution

1. Step 1: Write the proportion equation
   5,069,275 : 7,854,380 = 7,854,380 : x
2. Step 2: Convert to fraction form
   5,069,275/7,854,380 = 7,854,380/x
3. Step 3: Cross multiply
   5,069,275x = 7,854,380 × 7,854,380
4. Step 4: Simplify right side
   5,069,275x = 61,691,285,184,400
5. Step 5: Solve for x
   x = 61,691,285,184,400/5,069,275
6. Step 6: Final answer
   x = 12,169,646.58