Finding the Third Proportional to 69,770 and 150,700

Step by Step Solution

1. Step 1: Write the proportion equation
   69,770 : 150,700 = 150,700 : x
2. Step 2: Convert to fraction form
   69,770/150,700 = 150,700/x
3. Step 3: Cross multiply
   69,770x = 150,700 × 150,700
4. Step 4: Simplify right side
   69,770x = 22,710,490,000
5. Step 5: Solve for x
   x = 22,710,490,000/69,770
6. Step 6: Final answer
   x = 325,505.09