Finding the Third Proportional to 696,648 and 1,042,270

Step by Step Solution

1. Step 1: Write the proportion equation
   696,648 : 1,042,270 = 1,042,270 : x
2. Step 2: Convert to fraction form
   696,648/1,042,270 = 1,042,270/x
3. Step 3: Cross multiply
   696,648x = 1,042,270 × 1,042,270
4. Step 4: Simplify right side
   696,648x = 1,086,326,752,900
5. Step 5: Solve for x
   x = 1,086,326,752,900/696,648
6. Step 6: Final answer
   x = 1,559,362.48