Finding the Third Proportional to 37,660.78 and 51,641.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,660.78 : 51,641.30 = 51,641.30 : x
2. Step 2: Convert to fraction form
   37,660.78/51,641.30 = 51,641.30/x
3. Step 3: Cross multiply
   37,660.78x = 51,641.30 × 51,641.30
4. Step 4: Simplify right side
   37,660.78x = 2,666,823,542.93
5. Step 5: Solve for x
   x = 2,666,823,542.93/37,660.78
6. Step 6: Final answer
   x = 70,811.69