Finding the Third Proportional to 2,640,670 and 5,630,132

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,670 : 5,630,132 = 5,630,132 : x
2. Step 2: Convert to fraction form
   2,640,670/5,630,132 = 5,630,132/x
3. Step 3: Cross multiply
   2,640,670x = 5,630,132 × 5,630,132
4. Step 4: Simplify right side
   2,640,670x = 31,698,386,337,424
5. Step 5: Solve for x
   x = 31,698,386,337,424/2,640,670
6. Step 6: Final answer
   x = 12,003,918.07