Finding the Third Proportional to 90,584 and 196,716

Step by Step Solution

1. Step 1: Write the proportion equation
   90,584 : 196,716 = 196,716 : x
2. Step 2: Convert to fraction form
   90,584/196,716 = 196,716/x
3. Step 3: Cross multiply
   90,584x = 196,716 × 196,716
4. Step 4: Simplify right side
   90,584x = 38,697,184,656
5. Step 5: Solve for x
   x = 38,697,184,656/90,584
6. Step 6: Final answer
   x = 427,196.69