Finding the Third Proportional to 56,432 and 120,172

Step by Step Solution

1. Step 1: Write the proportion equation
   56,432 : 120,172 = 120,172 : x
2. Step 2: Convert to fraction form
   56,432/120,172 = 120,172/x
3. Step 3: Cross multiply
   56,432x = 120,172 × 120,172
4. Step 4: Simplify right side
   56,432x = 14,441,309,584
5. Step 5: Solve for x
   x = 14,441,309,584/56,432
6. Step 6: Final answer
   x = 255,906.39