Finding the Third Proportional to 13,257,776 and 20,960,238

Step by Step Solution

1. Step 1: Write the proportion equation
   13,257,776 : 20,960,238 = 20,960,238 : x
2. Step 2: Convert to fraction form
   13,257,776/20,960,238 = 20,960,238/x
3. Step 3: Cross multiply
   13,257,776x = 20,960,238 × 20,960,238
4. Step 4: Simplify right side
   13,257,776x = 439,331,577,016,644
5. Step 5: Solve for x
   x = 439,331,577,016,644/13,257,776
6. Step 6: Final answer
   x = 33,137,652.73