Finding the Third Proportional to 4,136,235 and 8,749,374

Step by Step Solution

1. Step 1: Write the proportion equation
   4,136,235 : 8,749,374 = 8,749,374 : x
2. Step 2: Convert to fraction form
   4,136,235/8,749,374 = 8,749,374/x
3. Step 3: Cross multiply
   4,136,235x = 8,749,374 × 8,749,374
4. Step 4: Simplify right side
   4,136,235x = 76,551,545,391,876
5. Step 5: Solve for x
   x = 76,551,545,391,876/4,136,235
6. Step 6: Final answer
   x = 18,507,542.58