Finding the Third Proportional to 4,819,368 and 10,385,200

Step by Step Solution

1. Step 1: Write the proportion equation
   4,819,368 : 10,385,200 = 10,385,200 : x
2. Step 2: Convert to fraction form
   4,819,368/10,385,200 = 10,385,200/x
3. Step 3: Cross multiply
   4,819,368x = 10,385,200 × 10,385,200
4. Step 4: Simplify right side
   4,819,368x = 107,852,379,040,000
5. Step 5: Solve for x
   x = 107,852,379,040,000/4,819,368
6. Step 6: Final answer
   x = 22,378,946.58