Finding the Third Proportional to 69,300 and 161,948

Step by Step Solution

1. Step 1: Write the proportion equation
   69,300 : 161,948 = 161,948 : x
2. Step 2: Convert to fraction form
   69,300/161,948 = 161,948/x
3. Step 3: Cross multiply
   69,300x = 161,948 × 161,948
4. Step 4: Simplify right side
   69,300x = 26,227,154,704
5. Step 5: Solve for x
   x = 26,227,154,704/69,300
6. Step 6: Final answer
   x = 378,458.22