Finding the Third Proportional to 42,406 and 91,301

Step by Step Solution

1. Step 1: Write the proportion equation
   42,406 : 91,301 = 91,301 : x
2. Step 2: Convert to fraction form
   42,406/91,301 = 91,301/x
3. Step 3: Cross multiply
   42,406x = 91,301 × 91,301
4. Step 4: Simplify right side
   42,406x = 8,335,872,601
5. Step 5: Solve for x
   x = 8,335,872,601/42,406
6. Step 6: Final answer
   x = 196,572.95