Finding the Third Proportional to 42,028.50 and 91,056

Step by Step Solution

1. Step 1: Write the proportion equation
   42,028.50 : 91,056 = 91,056 : x
2. Step 2: Convert to fraction form
   42,028.50/91,056 = 91,056/x
3. Step 3: Cross multiply
   42,028.50x = 91,056 × 91,056
4. Step 4: Simplify right side
   42,028.50x = 8,291,195,136
5. Step 5: Solve for x
   x = 8,291,195,136/42,028.50
6. Step 6: Final answer
   x = 197,275.54