Finding the Third Proportional to 37,661,940 and 79,843,612

Step by Step Solution

1. Step 1: Write the proportion equation
   37,661,940 : 79,843,612 = 79,843,612 : x
2. Step 2: Convert to fraction form
   37,661,940/79,843,612 = 79,843,612/x
3. Step 3: Cross multiply
   37,661,940x = 79,843,612 × 79,843,612
4. Step 4: Simplify right side
   37,661,940x = 6,375,002,377,206,544
5. Step 5: Solve for x
   x = 6,375,002,377,206,544/37,661,940
6. Step 6: Final answer
   x = 169,269,091.75