Finding the Third Proportional to 530,700 and 1,121,300

Step by Step Solution

1. Step 1: Write the proportion equation
   530,700 : 1,121,300 = 1,121,300 : x
2. Step 2: Convert to fraction form
   530,700/1,121,300 = 1,121,300/x
3. Step 3: Cross multiply
   530,700x = 1,121,300 × 1,121,300
4. Step 4: Simplify right side
   530,700x = 1,257,313,690,000
5. Step 5: Solve for x
   x = 1,257,313,690,000/530,700
6. Step 6: Final answer
   x = 2,369,160.90