Finding the Third Proportional to 120,694.50 and 265,131

Step by Step Solution

1. Step 1: Write the proportion equation
   120,694.50 : 265,131 = 265,131 : x
2. Step 2: Convert to fraction form
   120,694.50/265,131 = 265,131/x
3. Step 3: Cross multiply
   120,694.50x = 265,131 × 265,131
4. Step 4: Simplify right side
   120,694.50x = 70,294,447,161
5. Step 5: Solve for x
   x = 70,294,447,161/120,694.50
6. Step 6: Final answer
   x = 582,416.33