Finding the Third Proportional to 39,300 and 85,908

Step by Step Solution

1. Step 1: Write the proportion equation
   39,300 : 85,908 = 85,908 : x
2. Step 2: Convert to fraction form
   39,300/85,908 = 85,908/x
3. Step 3: Cross multiply
   39,300x = 85,908 × 85,908
4. Step 4: Simplify right side
   39,300x = 7,380,184,464
5. Step 5: Solve for x
   x = 7,380,184,464/39,300
6. Step 6: Final answer
   x = 187,790.95