Finding the Third Proportional to 5,872,086 and 12,936,222

Step by Step Solution

1. Step 1: Write the proportion equation
   5,872,086 : 12,936,222 = 12,936,222 : x
2. Step 2: Convert to fraction form
   5,872,086/12,936,222 = 12,936,222/x
3. Step 3: Cross multiply
   5,872,086x = 12,936,222 × 12,936,222
4. Step 4: Simplify right side
   5,872,086x = 167,345,839,633,284
5. Step 5: Solve for x
   x = 167,345,839,633,284/5,872,086
6. Step 6: Final answer
   x = 28,498,533.51