Finding the Third Proportional to 189,913.50 and 300,726

Step by Step Solution

1. Step 1: Write the proportion equation
   189,913.50 : 300,726 = 300,726 : x
2. Step 2: Convert to fraction form
   189,913.50/300,726 = 300,726/x
3. Step 3: Cross multiply
   189,913.50x = 300,726 × 300,726
4. Step 4: Simplify right side
   189,913.50x = 90,436,127,076
5. Step 5: Solve for x
   x = 90,436,127,076/189,913.50
6. Step 6: Final answer
   x = 476,196.41