Finding the Third Proportional to 2,587,059 and 5,442,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,059 : 5,442,268.50 = 5,442,268.50 : x
2. Step 2: Convert to fraction form
   2,587,059/5,442,268.50 = 5,442,268.50/x
3. Step 3: Cross multiply
   2,587,059x = 5,442,268.50 × 5,442,268.50
4. Step 4: Simplify right side
   2,587,059x = 29,618,286,426,092.25
5. Step 5: Solve for x
   x = 29,618,286,426,092.25/2,587,059
6. Step 6: Final answer
   x = 11,448,631.99