Finding the Third Proportional to 90,702 and 196,938

Step by Step Solution

1. Step 1: Write the proportion equation
   90,702 : 196,938 = 196,938 : x
2. Step 2: Convert to fraction form
   90,702/196,938 = 196,938/x
3. Step 3: Cross multiply
   90,702x = 196,938 × 196,938
4. Step 4: Simplify right side
   90,702x = 38,784,575,844
5. Step 5: Solve for x
   x = 38,784,575,844/90,702
6. Step 6: Final answer
   x = 427,604.42