Finding the Third Proportional to 2,159,744.50 and 4,665,854

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,744.50 : 4,665,854 = 4,665,854 : x
2. Step 2: Convert to fraction form
   2,159,744.50/4,665,854 = 4,665,854/x
3. Step 3: Cross multiply
   2,159,744.50x = 4,665,854 × 4,665,854
4. Step 4: Simplify right side
   2,159,744.50x = 21,770,193,549,316
5. Step 5: Solve for x
   x = 21,770,193,549,316/2,159,744.50
6. Step 6: Final answer
   x = 10,079,985.64