Finding the Third Proportional to 258,894.56 and 535,762.69

Step by Step Solution

1. Step 1: Write the proportion equation
   258,894.56 : 535,762.69 = 535,762.69 : x
2. Step 2: Convert to fraction form
   258,894.56/535,762.69 = 535,762.69/x
3. Step 3: Cross multiply
   258,894.56x = 535,762.69 × 535,762.69
4. Step 4: Simplify right side
   258,894.56x = 287,041,657,317.22
5. Step 5: Solve for x
   x = 287,041,657,317.22/258,894.56
6. Step 6: Final answer
   x = 1,108,720.30