Finding the Third Proportional to 37,018.90 and 79,948.90

Step by Step Solution

1. Step 1: Write the proportion equation
   37,018.90 : 79,948.90 = 79,948.90 : x
2. Step 2: Convert to fraction form
   37,018.90/79,948.90 = 79,948.90/x
3. Step 3: Cross multiply
   37,018.90x = 79,948.90 × 79,948.90
4. Step 4: Simplify right side
   37,018.90x = 6,391,826,361.37
5. Step 5: Solve for x
   x = 6,391,826,361.37/37,018.90
6. Step 6: Final answer
   x = 172,663.87