Finding the Third Proportional to 288,796.50 and 695,745

Step by Step Solution

1. Step 1: Write the proportion equation
   288,796.50 : 695,745 = 695,745 : x
2. Step 2: Convert to fraction form
   288,796.50/695,745 = 695,745/x
3. Step 3: Cross multiply
   288,796.50x = 695,745 × 695,745
4. Step 4: Simplify right side
   288,796.50x = 484,061,105,025
5. Step 5: Solve for x
   x = 484,061,105,025/288,796.50
6. Step 6: Final answer
   x = 1,676,132.17