Finding the Third Proportional to 128,783 and 197,002

Step by Step Solution

1. Step 1: Write the proportion equation
   128,783 : 197,002 = 197,002 : x
2. Step 2: Convert to fraction form
   128,783/197,002 = 197,002/x
3. Step 3: Cross multiply
   128,783x = 197,002 × 197,002
4. Step 4: Simplify right side
   128,783x = 38,809,788,004
5. Step 5: Solve for x
   x = 38,809,788,004/128,783
6. Step 6: Final answer
   x = 301,358.01