Finding the Third Proportional to 288,760.50 and 695,658

Step by Step Solution

1. Step 1: Write the proportion equation
   288,760.50 : 695,658 = 695,658 : x
2. Step 2: Convert to fraction form
   288,760.50/695,658 = 695,658/x
3. Step 3: Cross multiply
   288,760.50x = 695,658 × 695,658
4. Step 4: Simplify right side
   288,760.50x = 483,940,052,964
5. Step 5: Solve for x
   x = 483,940,052,964/288,760.50
6. Step 6: Final answer
   x = 1,675,921.92