Finding the Third Proportional to 37,099.75 and 87,489.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,099.75 : 87,489.25 = 87,489.25 : x
2. Step 2: Convert to fraction form
   37,099.75/87,489.25 = 87,489.25/x
3. Step 3: Cross multiply
   37,099.75x = 87,489.25 × 87,489.25
4. Step 4: Simplify right side
   37,099.75x = 7,654,368,865.56
5. Step 5: Solve for x
   x = 7,654,368,865.56/37,099.75
6. Step 6: Final answer
   x = 206,318.61