Finding the Third Proportional to 69,630 and 142,947

Step by Step Solution

1. Step 1: Write the proportion equation
   69,630 : 142,947 = 142,947 : x
2. Step 2: Convert to fraction form
   69,630/142,947 = 142,947/x
3. Step 3: Cross multiply
   69,630x = 142,947 × 142,947
4. Step 4: Simplify right side
   69,630x = 20,433,844,809
5. Step 5: Solve for x
   x = 20,433,844,809/69,630
6. Step 6: Final answer
   x = 293,463.23