Finding the Third Proportional to 120,070.69 and 261,874.69

Step by Step Solution

1. Step 1: Write the proportion equation
   120,070.69 : 261,874.69 = 261,874.69 : x
2. Step 2: Convert to fraction form
   120,070.69/261,874.69 = 261,874.69/x
3. Step 3: Cross multiply
   120,070.69x = 261,874.69 × 261,874.69
4. Step 4: Simplify right side
   120,070.69x = 68,578,351,953.22
5. Step 5: Solve for x
   x = 68,578,351,953.22/120,070.69
6. Step 6: Final answer
   x = 571,149.82