Finding the Third Proportional to 155,500.50 and 418,893

Step by Step Solution

1. Step 1: Write the proportion equation
   155,500.50 : 418,893 = 418,893 : x
2. Step 2: Convert to fraction form
   155,500.50/418,893 = 418,893/x
3. Step 3: Cross multiply
   155,500.50x = 418,893 × 418,893
4. Step 4: Simplify right side
   155,500.50x = 175,471,345,449
5. Step 5: Solve for x
   x = 175,471,345,449/155,500.50
6. Step 6: Final answer
   x = 1,128,429.46