Finding the Third Proportional to 842,148 and 1,218,996

Step by Step Solution

1. Step 1: Write the proportion equation
   842,148 : 1,218,996 = 1,218,996 : x
2. Step 2: Convert to fraction form
   842,148/1,218,996 = 1,218,996/x
3. Step 3: Cross multiply
   842,148x = 1,218,996 × 1,218,996
4. Step 4: Simplify right side
   842,148x = 1,485,951,248,016
5. Step 5: Solve for x
   x = 1,485,951,248,016/842,148
6. Step 6: Final answer
   x = 1,764,477.56