Finding the Third Proportional to 147,906 and 240,301.69

Step by Step Solution

1. Step 1: Write the proportion equation
   147,906 : 240,301.69 = 240,301.69 : x
2. Step 2: Convert to fraction form
   147,906/240,301.69 = 240,301.69/x
3. Step 3: Cross multiply
   147,906x = 240,301.69 × 240,301.69
4. Step 4: Simplify right side
   147,906x = 57,744,901,015.35
5. Step 5: Solve for x
   x = 57,744,901,015.35/147,906
6. Step 6: Final answer
   x = 390,416.22