Finding the Third Proportional to 39,090 and 92,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,090 : 92,185.50 = 92,185.50 : x
2. Step 2: Convert to fraction form
   39,090/92,185.50 = 92,185.50/x
3. Step 3: Cross multiply
   39,090x = 92,185.50 × 92,185.50
4. Step 4: Simplify right side
   39,090x = 8,498,166,410.25
5. Step 5: Solve for x
   x = 8,498,166,410.25/39,090
6. Step 6: Final answer
   x = 217,400.01