Finding the Third Proportional to 513,560 and 1,145,140

Step by Step Solution

1. Step 1: Write the proportion equation
   513,560 : 1,145,140 = 1,145,140 : x
2. Step 2: Convert to fraction form
   513,560/1,145,140 = 1,145,140/x
3. Step 3: Cross multiply
   513,560x = 1,145,140 × 1,145,140
4. Step 4: Simplify right side
   513,560x = 1,311,345,619,600
5. Step 5: Solve for x
   x = 1,311,345,619,600/513,560
6. Step 6: Final answer
   x = 2,553,441.90