Finding the Third Proportional to 183,519.50 and 258,434

Step by Step Solution

1. Step 1: Write the proportion equation
   183,519.50 : 258,434 = 258,434 : x
2. Step 2: Convert to fraction form
   183,519.50/258,434 = 258,434/x
3. Step 3: Cross multiply
   183,519.50x = 258,434 × 258,434
4. Step 4: Simplify right side
   183,519.50x = 66,788,132,356
5. Step 5: Solve for x
   x = 66,788,132,356/183,519.50
6. Step 6: Final answer
   x = 363,929.35