Finding the Third Proportional to 5,248,478 and 7,845,393

Step by Step Solution

1. Step 1: Write the proportion equation
   5,248,478 : 7,845,393 = 7,845,393 : x
2. Step 2: Convert to fraction form
   5,248,478/7,845,393 = 7,845,393/x
3. Step 3: Cross multiply
   5,248,478x = 7,845,393 × 7,845,393
4. Step 4: Simplify right side
   5,248,478x = 61,550,191,324,449
5. Step 5: Solve for x
   x = 61,550,191,324,449/5,248,478
6. Step 6: Final answer
   x = 11,727,245.75