Finding the Third Proportional to 88,742.25 and 193,860

Step by Step Solution

1. Step 1: Write the proportion equation
   88,742.25 : 193,860 = 193,860 : x
2. Step 2: Convert to fraction form
   88,742.25/193,860 = 193,860/x
3. Step 3: Cross multiply
   88,742.25x = 193,860 × 193,860
4. Step 4: Simplify right side
   88,742.25x = 37,581,699,600
5. Step 5: Solve for x
   x = 37,581,699,600/88,742.25
6. Step 6: Final answer
   x = 423,492.75