Finding the Third Proportional to 2,153,847 and 4,698,870

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,847 : 4,698,870 = 4,698,870 : x
2. Step 2: Convert to fraction form
   2,153,847/4,698,870 = 4,698,870/x
3. Step 3: Cross multiply
   2,153,847x = 4,698,870 × 4,698,870
4. Step 4: Simplify right side
   2,153,847x = 22,079,379,276,900
5. Step 5: Solve for x
   x = 22,079,379,276,900/2,153,847
6. Step 6: Final answer
   x = 10,251,136.35