Finding the Third Proportional to 3,988,116 and 8,773,704

Step by Step Solution

1. Step 1: Write the proportion equation
   3,988,116 : 8,773,704 = 8,773,704 : x
2. Step 2: Convert to fraction form
   3,988,116/8,773,704 = 8,773,704/x
3. Step 3: Cross multiply
   3,988,116x = 8,773,704 × 8,773,704
4. Step 4: Simplify right side
   3,988,116x = 76,977,881,879,616
5. Step 5: Solve for x
   x = 76,977,881,879,616/3,988,116
6. Step 6: Final answer
   x = 19,301,816.17