Finding the Third Proportional to 255,510 and 537,503.63

Step by Step Solution

1. Step 1: Write the proportion equation
   255,510 : 537,503.63 = 537,503.63 : x
2. Step 2: Convert to fraction form
   255,510/537,503.63 = 537,503.63/x
3. Step 3: Cross multiply
   255,510x = 537,503.63 × 537,503.63
4. Step 4: Simplify right side
   255,510x = 288,910,146,888.14
5. Step 5: Solve for x
   x = 288,910,146,888.14/255,510
6. Step 6: Final answer
   x = 1,130,719.53