Finding the Third Proportional to 19,308 and 42,792

Step by Step Solution

1. Step 1: Write the proportion equation
   19,308 : 42,792 = 42,792 : x
2. Step 2: Convert to fraction form
   19,308/42,792 = 42,792/x
3. Step 3: Cross multiply
   19,308x = 42,792 × 42,792
4. Step 4: Simplify right side
   19,308x = 1,831,155,264
5. Step 5: Solve for x
   x = 1,831,155,264/19,308
6. Step 6: Final answer
   x = 94,839.20