Finding the Third Proportional to 2,160,846 and 4,636,611

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,846 : 4,636,611 = 4,636,611 : x
2. Step 2: Convert to fraction form
   2,160,846/4,636,611 = 4,636,611/x
3. Step 3: Cross multiply
   2,160,846x = 4,636,611 × 4,636,611
4. Step 4: Simplify right side
   2,160,846x = 21,498,161,565,321
5. Step 5: Solve for x
   x = 21,498,161,565,321/2,160,846
6. Step 6: Final answer
   x = 9,948,955.90