Finding the Third Proportional to 7,836,174 and 12,108,888

Step by Step Solution

1. Step 1: Write the proportion equation
   7,836,174 : 12,108,888 = 12,108,888 : x
2. Step 2: Convert to fraction form
   7,836,174/12,108,888 = 12,108,888/x
3. Step 3: Cross multiply
   7,836,174x = 12,108,888 × 12,108,888
4. Step 4: Simplify right side
   7,836,174x = 146,625,168,596,544
5. Step 5: Solve for x
   x = 146,625,168,596,544/7,836,174
6. Step 6: Final answer
   x = 18,711,321.19