Finding the Third Proportional to 37,776.75 and 51,117.88

Step by Step Solution

1. Step 1: Write the proportion equation
   37,776.75 : 51,117.88 = 51,117.88 : x
2. Step 2: Convert to fraction form
   37,776.75/51,117.88 = 51,117.88/x
3. Step 3: Cross multiply
   37,776.75x = 51,117.88 × 51,117.88
4. Step 4: Simplify right side
   37,776.75x = 2,613,037,144.52
5. Step 5: Solve for x
   x = 2,613,037,144.52/37,776.75
6. Step 6: Final answer
   x = 69,170.51