Finding the Third Proportional to 2,141,968.50 and 4,636,610.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,968.50 : 4,636,610.81 = 4,636,610.81 : x
2. Step 2: Convert to fraction form
   2,141,968.50/4,636,610.81 = 4,636,610.81/x
3. Step 3: Cross multiply
   2,141,968.50x = 4,636,610.81 × 4,636,610.81
4. Step 4: Simplify right side
   2,141,968.50x = 21,498,159,826,591.91
5. Step 5: Solve for x
   x = 21,498,159,826,591.91/2,141,968.50
6. Step 6: Final answer
   x = 10,036,636.78