Finding the Third Proportional to 37,776.38 and 51,121.13

Step by Step Solution

1. Step 1: Write the proportion equation
   37,776.38 : 51,121.13 = 51,121.13 : x
2. Step 2: Convert to fraction form
   37,776.38/51,121.13 = 51,121.13/x
3. Step 3: Cross multiply
   37,776.38x = 51,121.13 × 51,121.13
4. Step 4: Simplify right side
   37,776.38x = 2,613,369,421.27
5. Step 5: Solve for x
   x = 2,613,369,421.27/37,776.38
6. Step 6: Final answer
   x = 69,179.99