Finding the Third Proportional to 37,387.83 and 78,997.78

Step by Step Solution

1. Step 1: Write the proportion equation
   37,387.83 : 78,997.78 = 78,997.78 : x
2. Step 2: Convert to fraction form
   37,387.83/78,997.78 = 78,997.78/x
3. Step 3: Cross multiply
   37,387.83x = 78,997.78 × 78,997.78
4. Step 4: Simplify right side
   37,387.83x = 6,240,649,442.42
5. Step 5: Solve for x
   x = 6,240,649,442.42/37,387.83
6. Step 6: Final answer
   x = 166,916.61