Finding the Third Proportional to 90,110.25 and 137,109.38

Step by Step Solution

1. Step 1: Write the proportion equation
   90,110.25 : 137,109.38 = 137,109.38 : x
2. Step 2: Convert to fraction form
   90,110.25/137,109.38 = 137,109.38/x
3. Step 3: Cross multiply
   90,110.25x = 137,109.38 × 137,109.38
4. Step 4: Simplify right side
   90,110.25x = 18,798,980,712.89
5. Step 5: Solve for x
   x = 18,798,980,712.89/90,110.25
6. Step 6: Final answer
   x = 208,622.00