Finding the Third Proportional to 4,823,390 and 10,043,700

Step by Step Solution

1. Step 1: Write the proportion equation
   4,823,390 : 10,043,700 = 10,043,700 : x
2. Step 2: Convert to fraction form
   4,823,390/10,043,700 = 10,043,700/x
3. Step 3: Cross multiply
   4,823,390x = 10,043,700 × 10,043,700
4. Step 4: Simplify right side
   4,823,390x = 100,875,909,690,000
5. Step 5: Solve for x
   x = 100,875,909,690,000/4,823,390
6. Step 6: Final answer
   x = 20,913,902.81