Finding the Third Proportional to 265,852.13 and 404,245.69

Step by Step Solution

1. Step 1: Write the proportion equation
   265,852.13 : 404,245.69 = 404,245.69 : x
2. Step 2: Convert to fraction form
   265,852.13/404,245.69 = 404,245.69/x
3. Step 3: Cross multiply
   265,852.13x = 404,245.69 × 404,245.69
4. Step 4: Simplify right side
   265,852.13x = 163,414,575,862.35
5. Step 5: Solve for x
   x = 163,414,575,862.35/265,852.13
6. Step 6: Final answer
   x = 614,682.23