Finding the Third Proportional to 120,448.50 and 262,362

Step by Step Solution

1. Step 1: Write the proportion equation
   120,448.50 : 262,362 = 262,362 : x
2. Step 2: Convert to fraction form
   120,448.50/262,362 = 262,362/x
3. Step 3: Cross multiply
   120,448.50x = 262,362 × 262,362
4. Step 4: Simplify right side
   120,448.50x = 68,833,819,044
5. Step 5: Solve for x
   x = 68,833,819,044/120,448.50
6. Step 6: Final answer
   x = 571,479.25