Finding the Third Proportional to 288,876 and 695,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   288,876 : 695,878.50 = 695,878.50 : x
2. Step 2: Convert to fraction form
   288,876/695,878.50 = 695,878.50/x
3. Step 3: Cross multiply
   288,876x = 695,878.50 × 695,878.50
4. Step 4: Simplify right side
   288,876x = 484,246,886,762.25
5. Step 5: Solve for x
   x = 484,246,886,762.25/288,876
6. Step 6: Final answer
   x = 1,676,314.01