Finding the Third Proportional to 687,006.56 and 1,468,356.56

Step by Step Solution

1. Step 1: Write the proportion equation
   687,006.56 : 1,468,356.56 = 1,468,356.56 : x
2. Step 2: Convert to fraction form
   687,006.56/1,468,356.56 = 1,468,356.56/x
3. Step 3: Cross multiply
   687,006.56x = 1,468,356.56 × 1,468,356.56
4. Step 4: Simplify right side
   687,006.56x = 2,156,070,994,636.82
5. Step 5: Solve for x
   x = 2,156,070,994,636.82/687,006.56
6. Step 6: Final answer
   x = 3,138,355.75