Finding the Third Proportional to 265,854 and 573,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   265,854 : 573,449.50 = 573,449.50 : x
2. Step 2: Convert to fraction form
   265,854/573,449.50 = 573,449.50/x
3. Step 3: Cross multiply
   265,854x = 573,449.50 × 573,449.50
4. Step 4: Simplify right side
   265,854x = 328,844,329,050.25
5. Step 5: Solve for x
   x = 328,844,329,050.25/265,854
6. Step 6: Final answer
   x = 1,236,935.80