Finding the Third Proportional to 6,259,580 and 13,191,658

Step by Step Solution

1. Step 1: Write the proportion equation
   6,259,580 : 13,191,658 = 13,191,658 : x
2. Step 2: Convert to fraction form
   6,259,580/13,191,658 = 13,191,658/x
3. Step 3: Cross multiply
   6,259,580x = 13,191,658 × 13,191,658
4. Step 4: Simplify right side
   6,259,580x = 174,019,840,788,964
5. Step 5: Solve for x
   x = 174,019,840,788,964/6,259,580
6. Step 6: Final answer
   x = 27,800,561.83