Finding the Third Proportional to 74,947 and 161,012

Step by Step Solution

1. Step 1: Write the proportion equation
   74,947 : 161,012 = 161,012 : x
2. Step 2: Convert to fraction form
   74,947/161,012 = 161,012/x
3. Step 3: Cross multiply
   74,947x = 161,012 × 161,012
4. Step 4: Simplify right side
   74,947x = 25,924,864,144
5. Step 5: Solve for x
   x = 25,924,864,144/74,947
6. Step 6: Final answer
   x = 345,909.30