Finding the Third Proportional to 3,938,842 and 8,549,916

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938,842 : 8,549,916 = 8,549,916 : x
2. Step 2: Convert to fraction form
   3,938,842/8,549,916 = 8,549,916/x
3. Step 3: Cross multiply
   3,938,842x = 8,549,916 × 8,549,916
4. Step 4: Simplify right side
   3,938,842x = 73,101,063,607,056
5. Step 5: Solve for x
   x = 73,101,063,607,056/3,938,842
6. Step 6: Final answer
   x = 18,559,024.10