Finding the Third Proportional to 39,875.25 and 86,298.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,875.25 : 86,298.75 = 86,298.75 : x
2. Step 2: Convert to fraction form
   39,875.25/86,298.75 = 86,298.75/x
3. Step 3: Cross multiply
   39,875.25x = 86,298.75 × 86,298.75
4. Step 4: Simplify right side
   39,875.25x = 7,447,474,251.56
5. Step 5: Solve for x
   x = 7,447,474,251.56/39,875.25
6. Step 6: Final answer
   x = 186,769.34