Finding the Third Proportional to 8,690,150 and 13,147,074

Step by Step Solution

1. Step 1: Write the proportion equation
   8,690,150 : 13,147,074 = 13,147,074 : x
2. Step 2: Convert to fraction form
   8,690,150/13,147,074 = 13,147,074/x
3. Step 3: Cross multiply
   8,690,150x = 13,147,074 × 13,147,074
4. Step 4: Simplify right side
   8,690,150x = 172,845,554,761,476
5. Step 5: Solve for x
   x = 172,845,554,761,476/8,690,150
6. Step 6: Final answer
   x = 19,889,824.08