Finding the Third Proportional to 696,695.50 and 1,042,451

Step by Step Solution

1. Step 1: Write the proportion equation
   696,695.50 : 1,042,451 = 1,042,451 : x
2. Step 2: Convert to fraction form
   696,695.50/1,042,451 = 1,042,451/x
3. Step 3: Cross multiply
   696,695.50x = 1,042,451 × 1,042,451
4. Step 4: Simplify right side
   696,695.50x = 1,086,704,087,401
5. Step 5: Solve for x
   x = 1,086,704,087,401/696,695.50
6. Step 6: Final answer
   x = 1,559,797.77