Finding the Third Proportional to 4,020,588 and 8,671,032

Step by Step Solution

1. Step 1: Write the proportion equation
   4,020,588 : 8,671,032 = 8,671,032 : x
2. Step 2: Convert to fraction form
   4,020,588/8,671,032 = 8,671,032/x
3. Step 3: Cross multiply
   4,020,588x = 8,671,032 × 8,671,032
4. Step 4: Simplify right side
   4,020,588x = 75,186,795,945,024
5. Step 5: Solve for x
   x = 75,186,795,945,024/4,020,588
6. Step 6: Final answer
   x = 18,700,447.78