Finding the Third Proportional to 2,589,057 and 5,629,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,057 : 5,629,837.50 = 5,629,837.50 : x
2. Step 2: Convert to fraction form
   2,589,057/5,629,837.50 = 5,629,837.50/x
3. Step 3: Cross multiply
   2,589,057x = 5,629,837.50 × 5,629,837.50
4. Step 4: Simplify right side
   2,589,057x = 31,695,070,276,406.25
5. Step 5: Solve for x
   x = 31,695,070,276,406.25/2,589,057
6. Step 6: Final answer
   x = 12,241,936.07