Finding the Third Proportional to 117,526.50 and 258,381

Step by Step Solution

1. Step 1: Write the proportion equation
   117,526.50 : 258,381 = 258,381 : x
2. Step 2: Convert to fraction form
   117,526.50/258,381 = 258,381/x
3. Step 3: Cross multiply
   117,526.50x = 258,381 × 258,381
4. Step 4: Simplify right side
   117,526.50x = 66,760,741,161
5. Step 5: Solve for x
   x = 66,760,741,161/117,526.50
6. Step 6: Final answer
   x = 568,048.41