Finding the Third Proportional to 6,259,578 and 13,191,654

Step by Step Solution

1. Step 1: Write the proportion equation
   6,259,578 : 13,191,654 = 13,191,654 : x
2. Step 2: Convert to fraction form
   6,259,578/13,191,654 = 13,191,654/x
3. Step 3: Cross multiply
   6,259,578x = 13,191,654 × 13,191,654
4. Step 4: Simplify right side
   6,259,578x = 174,019,735,255,716
5. Step 5: Solve for x
   x = 174,019,735,255,716/6,259,578
6. Step 6: Final answer
   x = 27,800,553.85