Finding the Third Proportional to 2,633,340 and 5,639,931

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633,340 : 5,639,931 = 5,639,931 : x
2. Step 2: Convert to fraction form
   2,633,340/5,639,931 = 5,639,931/x
3. Step 3: Cross multiply
   2,633,340x = 5,639,931 × 5,639,931
4. Step 4: Simplify right side
   2,633,340x = 31,808,821,684,761
5. Step 5: Solve for x
   x = 31,808,821,684,761/2,633,340
6. Step 6: Final answer
   x = 12,079,268.79