Finding the Third Proportional to 147,381 and 300,945

Step by Step Solution

1. Step 1: Write the proportion equation
   147,381 : 300,945 = 300,945 : x
2. Step 2: Convert to fraction form
   147,381/300,945 = 300,945/x
3. Step 3: Cross multiply
   147,381x = 300,945 × 300,945
4. Step 4: Simplify right side
   147,381x = 90,567,893,025
5. Step 5: Solve for x
   x = 90,567,893,025/147,381
6. Step 6: Final answer
   x = 614,515.39