Finding the Third Proportional to 535,300 and 1,188,680

Step by Step Solution

1. Step 1: Write the proportion equation
   535,300 : 1,188,680 = 1,188,680 : x
2. Step 2: Convert to fraction form
   535,300/1,188,680 = 1,188,680/x
3. Step 3: Cross multiply
   535,300x = 1,188,680 × 1,188,680
4. Step 4: Simplify right side
   535,300x = 1,412,960,142,400
5. Step 5: Solve for x
   x = 1,412,960,142,400/535,300
6. Step 6: Final answer
   x = 2,639,566.86