Finding the Third Proportional to 42,308 and 91,112

Step by Step Solution

1. Step 1: Write the proportion equation
   42,308 : 91,112 = 91,112 : x
2. Step 2: Convert to fraction form
   42,308/91,112 = 91,112/x
3. Step 3: Cross multiply
   42,308x = 91,112 × 91,112
4. Step 4: Simplify right side
   42,308x = 8,301,396,544
5. Step 5: Solve for x
   x = 8,301,396,544/42,308
6. Step 6: Final answer
   x = 196,213.40