Finding the Third Proportional to 69,770 and 151,983

Step by Step Solution

1. Step 1: Write the proportion equation
   69,770 : 151,983 = 151,983 : x
2. Step 2: Convert to fraction form
   69,770/151,983 = 151,983/x
3. Step 3: Cross multiply
   69,770x = 151,983 × 151,983
4. Step 4: Simplify right side
   69,770x = 23,098,832,289
5. Step 5: Solve for x
   x = 23,098,832,289/69,770
6. Step 6: Final answer
   x = 331,071.12