Finding the Third Proportional to 696,648 and 1,042,272

Step by Step Solution

1. Step 1: Write the proportion equation
   696,648 : 1,042,272 = 1,042,272 : x
2. Step 2: Convert to fraction form
   696,648/1,042,272 = 1,042,272/x
3. Step 3: Cross multiply
   696,648x = 1,042,272 × 1,042,272
4. Step 4: Simplify right side
   696,648x = 1,086,330,921,984
5. Step 5: Solve for x
   x = 1,086,330,921,984/696,648
6. Step 6: Final answer
   x = 1,559,368.46