Finding the Third Proportional to 88,956 and 195,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,956 : 195,406.50 = 195,406.50 : x
2. Step 2: Convert to fraction form
   88,956/195,406.50 = 195,406.50/x
3. Step 3: Cross multiply
   88,956x = 195,406.50 × 195,406.50
4. Step 4: Simplify right side
   88,956x = 38,183,700,242.25
5. Step 5: Solve for x
   x = 38,183,700,242.25/88,956
6. Step 6: Final answer
   x = 429,242.55