Finding the Third Proportional to 201,780.38 and 442,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   201,780.38 : 442,921.50 = 442,921.50 : x
2. Step 2: Convert to fraction form
   201,780.38/442,921.50 = 442,921.50/x
3. Step 3: Cross multiply
   201,780.38x = 442,921.50 × 442,921.50
4. Step 4: Simplify right side
   201,780.38x = 196,179,455,162.25
5. Step 5: Solve for x
   x = 196,179,455,162.25/201,780.38
6. Step 6: Final answer
   x = 972,242.49