Finding the Third Proportional to 13,687,149.94 and 21,186,028.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,687,149.94 : 21,186,028.69 = 21,186,028.69 : x
2. Step 2: Convert to fraction form
   13,687,149.94/21,186,028.69 = 21,186,028.69/x
3. Step 3: Cross multiply
   13,687,149.94x = 21,186,028.69 × 21,186,028.69
4. Step 4: Simplify right side
   13,687,149.94x = 448,847,811,547,573
5. Step 5: Solve for x
   x = 448,847,811,547,573/13,687,149.94
6. Step 6: Final answer
   x = 32,793,372.88