Finding the Third Proportional to 197,112 and 425,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   197,112 : 425,890.50 = 425,890.50 : x
2. Step 2: Convert to fraction form
   197,112/425,890.50 = 425,890.50/x
3. Step 3: Cross multiply
   197,112x = 425,890.50 × 425,890.50
4. Step 4: Simplify right side
   197,112x = 181,382,717,990.25
5. Step 5: Solve for x
   x = 181,382,717,990.25/197,112
6. Step 6: Final answer
   x = 920,201.30