Finding the Third Proportional to 12,669,308 and 17,212,814

Step by Step Solution

1. Step 1: Write the proportion equation
   12,669,308 : 17,212,814 = 17,212,814 : x
2. Step 2: Convert to fraction form
   12,669,308/17,212,814 = 17,212,814/x
3. Step 3: Cross multiply
   12,669,308x = 17,212,814 × 17,212,814
4. Step 4: Simplify right side
   12,669,308x = 296,280,965,798,596
5. Step 5: Solve for x
   x = 296,280,965,798,596/12,669,308
6. Step 6: Final answer
   x = 23,385,726.02