Finding the Third Proportional to 90,699 and 196,934

Step by Step Solution

1. Step 1: Write the proportion equation
   90,699 : 196,934 = 196,934 : x
2. Step 2: Convert to fraction form
   90,699/196,934 = 196,934/x
3. Step 3: Cross multiply
   90,699x = 196,934 × 196,934
4. Step 4: Simplify right side
   90,699x = 38,783,000,356
5. Step 5: Solve for x
   x = 38,783,000,356/90,699
6. Step 6: Final answer
   x = 427,601.19