Finding the Third Proportional to 42,998 and 91,199

Step by Step Solution

1. Step 1: Write the proportion equation
   42,998 : 91,199 = 91,199 : x
2. Step 2: Convert to fraction form
   42,998/91,199 = 91,199/x
3. Step 3: Cross multiply
   42,998x = 91,199 × 91,199
4. Step 4: Simplify right side
   42,998x = 8,317,257,601
5. Step 5: Solve for x
   x = 8,317,257,601/42,998
6. Step 6: Final answer
   x = 193,433.59