Finding the Third Proportional to 107,086.50 and 235,407

Step by Step Solution

1. Step 1: Write the proportion equation
   107,086.50 : 235,407 = 235,407 : x
2. Step 2: Convert to fraction form
   107,086.50/235,407 = 235,407/x
3. Step 3: Cross multiply
   107,086.50x = 235,407 × 235,407
4. Step 4: Simplify right side
   107,086.50x = 55,416,455,649
5. Step 5: Solve for x
   x = 55,416,455,649/107,086.50
6. Step 6: Final answer
   x = 517,492.45