Finding the Third Proportional to 88,071.75 and 193,990.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,071.75 : 193,990.50 = 193,990.50 : x
2. Step 2: Convert to fraction form
   88,071.75/193,990.50 = 193,990.50/x
3. Step 3: Cross multiply
   88,071.75x = 193,990.50 × 193,990.50
4. Step 4: Simplify right side
   88,071.75x = 37,632,314,090.25
5. Step 5: Solve for x
   x = 37,632,314,090.25/88,071.75
6. Step 6: Final answer
   x = 427,291.54