Finding the Third Proportional to 11,591,142 and 25,173,420

Step by Step Solution

1. Step 1: Write the proportion equation
   11,591,142 : 25,173,420 = 25,173,420 : x
2. Step 2: Convert to fraction form
   11,591,142/25,173,420 = 25,173,420/x
3. Step 3: Cross multiply
   11,591,142x = 25,173,420 × 25,173,420
4. Step 4: Simplify right side
   11,591,142x = 633,701,074,496,400
5. Step 5: Solve for x
   x = 633,701,074,496,400/11,591,142
6. Step 6: Final answer
   x = 54,671,151.00