Finding the Third Proportional to 2,636,499 and 5,670,438

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636,499 : 5,670,438 = 5,670,438 : x
2. Step 2: Convert to fraction form
   2,636,499/5,670,438 = 5,670,438/x
3. Step 3: Cross multiply
   2,636,499x = 5,670,438 × 5,670,438
4. Step 4: Simplify right side
   2,636,499x = 32,153,867,111,844
5. Step 5: Solve for x
   x = 32,153,867,111,844/2,636,499
6. Step 6: Final answer
   x = 12,195,668.24