Finding the Third Proportional to 155,524.50 and 320,862

Step by Step Solution

1. Step 1: Write the proportion equation
   155,524.50 : 320,862 = 320,862 : x
2. Step 2: Convert to fraction form
   155,524.50/320,862 = 320,862/x
3. Step 3: Cross multiply
   155,524.50x = 320,862 × 320,862
4. Step 4: Simplify right side
   155,524.50x = 102,952,423,044
5. Step 5: Solve for x
   x = 102,952,423,044/155,524.50
6. Step 6: Final answer
   x = 661,969.16