Finding the Third Proportional to 2,146,300 and 4,548,480

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,300 : 4,548,480 = 4,548,480 : x
2. Step 2: Convert to fraction form
   2,146,300/4,548,480 = 4,548,480/x
3. Step 3: Cross multiply
   2,146,300x = 4,548,480 × 4,548,480
4. Step 4: Simplify right side
   2,146,300x = 20,688,670,310,400
5. Step 5: Solve for x
   x = 20,688,670,310,400/2,146,300
6. Step 6: Final answer
   x = 9,639,225.79