Finding the Third Proportional to 524,880 and 776,248.31

Step by Step Solution

1. Step 1: Write the proportion equation
   524,880 : 776,248.31 = 776,248.31 : x
2. Step 2: Convert to fraction form
   524,880/776,248.31 = 776,248.31/x
3. Step 3: Cross multiply
   524,880x = 776,248.31 × 776,248.31
4. Step 4: Simplify right side
   524,880x = 602,561,442,659.10
5. Step 5: Solve for x
   x = 602,561,442,659.10/524,880
6. Step 6: Final answer
   x = 1,147,998.48