Finding the Third Proportional to 37,386.56 and 80,643.09

Step by Step Solution

1. Step 1: Write the proportion equation
   37,386.56 : 80,643.09 = 80,643.09 : x
2. Step 2: Convert to fraction form
   37,386.56/80,643.09 = 80,643.09/x
3. Step 3: Cross multiply
   37,386.56x = 80,643.09 × 80,643.09
4. Step 4: Simplify right side
   37,386.56x = 6,503,308,569.57
5. Step 5: Solve for x
   x = 6,503,308,569.57/37,386.56
6. Step 6: Final answer
   x = 173,947.75