Finding the Third Proportional to 147,160.50 and 317,841

Step by Step Solution

1. Step 1: Write the proportion equation
   147,160.50 : 317,841 = 317,841 : x
2. Step 2: Convert to fraction form
   147,160.50/317,841 = 317,841/x
3. Step 3: Cross multiply
   147,160.50x = 317,841 × 317,841
4. Step 4: Simplify right side
   147,160.50x = 101,022,901,281
5. Step 5: Solve for x
   x = 101,022,901,281/147,160.50
6. Step 6: Final answer
   x = 686,481.10