Finding the Third Proportional to 196,988 and 429,624

Step by Step Solution

1. Step 1: Write the proportion equation
   196,988 : 429,624 = 429,624 : x
2. Step 2: Convert to fraction form
   196,988/429,624 = 429,624/x
3. Step 3: Cross multiply
   196,988x = 429,624 × 429,624
4. Step 4: Simplify right side
   196,988x = 184,576,781,376
5. Step 5: Solve for x
   x = 184,576,781,376/196,988
6. Step 6: Final answer
   x = 936,995.05