Finding the Third Proportional to 147,703 and 322,139

Step by Step Solution

1. Step 1: Write the proportion equation
   147,703 : 322,139 = 322,139 : x
2. Step 2: Convert to fraction form
   147,703/322,139 = 322,139/x
3. Step 3: Cross multiply
   147,703x = 322,139 × 322,139
4. Step 4: Simplify right side
   147,703x = 103,773,535,321
5. Step 5: Solve for x
   x = 103,773,535,321/147,703
6. Step 6: Final answer
   x = 702,582.45