Finding the Third Proportional to 42,492 and 83,928

Step by Step Solution

1. Step 1: Write the proportion equation
   42,492 : 83,928 = 83,928 : x
2. Step 2: Convert to fraction form
   42,492/83,928 = 83,928/x
3. Step 3: Cross multiply
   42,492x = 83,928 × 83,928
4. Step 4: Simplify right side
   42,492x = 7,043,909,184
5. Step 5: Solve for x
   x = 7,043,909,184/42,492
6. Step 6: Final answer
   x = 165,770.24