Finding the Third Proportional to 197,520 and 425,012

Step by Step Solution

1. Step 1: Write the proportion equation
   197,520 : 425,012 = 425,012 : x
2. Step 2: Convert to fraction form
   197,520/425,012 = 425,012/x
3. Step 3: Cross multiply
   197,520x = 425,012 × 425,012
4. Step 4: Simplify right side
   197,520x = 180,635,200,144
5. Step 5: Solve for x
   x = 180,635,200,144/197,520
6. Step 6: Final answer
   x = 914,516.00