Finding the Third Proportional to 175,810.50 and 385,398

Step by Step Solution

1. Step 1: Write the proportion equation
   175,810.50 : 385,398 = 385,398 : x
2. Step 2: Convert to fraction form
   175,810.50/385,398 = 385,398/x
3. Step 3: Cross multiply
   175,810.50x = 385,398 × 385,398
4. Step 4: Simplify right side
   175,810.50x = 148,531,618,404
5. Step 5: Solve for x
   x = 148,531,618,404/175,810.50
6. Step 6: Final answer
   x = 844,839.29