Finding the Third Proportional to 7,926,700 and 12,145,906

Step by Step Solution

1. Step 1: Write the proportion equation
   7,926,700 : 12,145,906 = 12,145,906 : x
2. Step 2: Convert to fraction form
   7,926,700/12,145,906 = 12,145,906/x
3. Step 3: Cross multiply
   7,926,700x = 12,145,906 × 12,145,906
4. Step 4: Simplify right side
   7,926,700x = 147,523,032,560,836
5. Step 5: Solve for x
   x = 147,523,032,560,836/7,926,700
6. Step 6: Final answer
   x = 18,610,901.45