Finding the Third Proportional to 141,994.50 and 301,518

Step by Step Solution

1. Step 1: Write the proportion equation
   141,994.50 : 301,518 = 301,518 : x
2. Step 2: Convert to fraction form
   141,994.50/301,518 = 301,518/x
3. Step 3: Cross multiply
   141,994.50x = 301,518 × 301,518
4. Step 4: Simplify right side
   141,994.50x = 90,913,104,324
5. Step 5: Solve for x
   x = 90,913,104,324/141,994.50
6. Step 6: Final answer
   x = 640,257.93