Finding the Third Proportional to 5,420,494 and 10,703,900

Step by Step Solution

1. Step 1: Write the proportion equation
   5,420,494 : 10,703,900 = 10,703,900 : x
2. Step 2: Convert to fraction form
   5,420,494/10,703,900 = 10,703,900/x
3. Step 3: Cross multiply
   5,420,494x = 10,703,900 × 10,703,900
4. Step 4: Simplify right side
   5,420,494x = 114,573,475,210,000
5. Step 5: Solve for x
   x = 114,573,475,210,000/5,420,494
6. Step 6: Final answer
   x = 21,137,091.05