Finding the Third Proportional to 37,720.34 and 81,928.27

Step by Step Solution

1. Step 1: Write the proportion equation
   37,720.34 : 81,928.27 = 81,928.27 : x
2. Step 2: Convert to fraction form
   37,720.34/81,928.27 = 81,928.27/x
3. Step 3: Cross multiply
   37,720.34x = 81,928.27 × 81,928.27
4. Step 4: Simplify right side
   37,720.34x = 6,712,240,708.32
5. Step 5: Solve for x
   x = 6,712,240,708.32/37,720.34
6. Step 6: Final answer
   x = 177,947.53