Finding the Third Proportional to 40,718 and 83,434

Step by Step Solution

1. Step 1: Write the proportion equation
   40,718 : 83,434 = 83,434 : x
2. Step 2: Convert to fraction form
   40,718/83,434 = 83,434/x
3. Step 3: Cross multiply
   40,718x = 83,434 × 83,434
4. Step 4: Simplify right side
   40,718x = 6,961,232,356
5. Step 5: Solve for x
   x = 6,961,232,356/40,718
6. Step 6: Final answer
   x = 170,962.04