Finding the Third Proportional to 201,155.50 and 418,846

Step by Step Solution

1. Step 1: Write the proportion equation
   201,155.50 : 418,846 = 418,846 : x
2. Step 2: Convert to fraction form
   201,155.50/418,846 = 418,846/x
3. Step 3: Cross multiply
   201,155.50x = 418,846 × 418,846
4. Step 4: Simplify right side
   201,155.50x = 175,431,971,716
5. Step 5: Solve for x
   x = 175,431,971,716/201,155.50
6. Step 6: Final answer
   x = 872,121.18