Finding the Third Proportional to 39,396 and 91,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,396 : 91,108.50 = 91,108.50 : x
2. Step 2: Convert to fraction form
   39,396/91,108.50 = 91,108.50/x
3. Step 3: Cross multiply
   39,396x = 91,108.50 × 91,108.50
4. Step 4: Simplify right side
   39,396x = 8,300,758,772.25
5. Step 5: Solve for x
   x = 8,300,758,772.25/39,396
6. Step 6: Final answer
   x = 210,700.55