Finding the Third Proportional to 37,431.56 and 80,339.63

Step by Step Solution

1. Step 1: Write the proportion equation
   37,431.56 : 80,339.63 = 80,339.63 : x
2. Step 2: Convert to fraction form
   37,431.56/80,339.63 = 80,339.63/x
3. Step 3: Cross multiply
   37,431.56x = 80,339.63 × 80,339.63
4. Step 4: Simplify right side
   37,431.56x = 6,454,455,345.14
5. Step 5: Solve for x
   x = 6,454,455,345.14/37,431.56
6. Step 6: Final answer
   x = 172,433.50