Finding the Third Proportional to 12,206,700 and 18,884,025

Step by Step Solution

1. Step 1: Write the proportion equation
   12,206,700 : 18,884,025 = 18,884,025 : x
2. Step 2: Convert to fraction form
   12,206,700/18,884,025 = 18,884,025/x
3. Step 3: Cross multiply
   12,206,700x = 18,884,025 × 18,884,025
4. Step 4: Simplify right side
   12,206,700x = 356,606,400,200,625
5. Step 5: Solve for x
   x = 356,606,400,200,625/12,206,700
6. Step 6: Final answer
   x = 29,213,989.06