Finding the Third Proportional to 120,430.69 and 262,314

Step by Step Solution

1. Step 1: Write the proportion equation
   120,430.69 : 262,314 = 262,314 : x
2. Step 2: Convert to fraction form
   120,430.69/262,314 = 262,314/x
3. Step 3: Cross multiply
   120,430.69x = 262,314 × 262,314
4. Step 4: Simplify right side
   120,430.69x = 68,808,634,596
5. Step 5: Solve for x
   x = 68,808,634,596/120,430.69
6. Step 6: Final answer
   x = 571,354.66