Finding the Third Proportional to 2,640,616.69 and 5,630,029.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,616.69 : 5,630,029.98 = 5,630,029.98 : x
2. Step 2: Convert to fraction form
   2,640,616.69/5,630,029.98 = 5,630,029.98/x
3. Step 3: Cross multiply
   2,640,616.69x = 5,630,029.98 × 5,630,029.98
4. Step 4: Simplify right side
   2,640,616.69x = 31,697,237,580,979.77
5. Step 5: Solve for x
   x = 31,697,237,580,979.77/2,640,616.69
6. Step 6: Final answer
   x = 12,003,725.38