Finding the Third Proportional to 9,049,968 and 12,659,139

Step by Step Solution

1. Step 1: Write the proportion equation
   9,049,968 : 12,659,139 = 12,659,139 : x
2. Step 2: Convert to fraction form
   9,049,968/12,659,139 = 12,659,139/x
3. Step 3: Cross multiply
   9,049,968x = 12,659,139 × 12,659,139
4. Step 4: Simplify right side
   9,049,968x = 160,253,800,221,321
5. Step 5: Solve for x
   x = 160,253,800,221,321/9,049,968
6. Step 6: Final answer
   x = 17,707,664.85