Finding the Third Proportional to 2,640,897 and 5,630,593.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,897 : 5,630,593.50 = 5,630,593.50 : x
2. Step 2: Convert to fraction form
   2,640,897/5,630,593.50 = 5,630,593.50/x
3. Step 3: Cross multiply
   2,640,897x = 5,630,593.50 × 5,630,593.50
4. Step 4: Simplify right side
   2,640,897x = 31,703,583,162,242.25
5. Step 5: Solve for x
   x = 31,703,583,162,242.25/2,640,897
6. Step 6: Final answer
   x = 12,004,854.09