Finding the Third Proportional to 42,465 and 91,851

Step by Step Solution

1. Step 1: Write the proportion equation
   42,465 : 91,851 = 91,851 : x
2. Step 2: Convert to fraction form
   42,465/91,851 = 91,851/x
3. Step 3: Cross multiply
   42,465x = 91,851 × 91,851
4. Step 4: Simplify right side
   42,465x = 8,436,606,201
5. Step 5: Solve for x
   x = 8,436,606,201/42,465
6. Step 6: Final answer
   x = 198,671.99