Finding the Third Proportional to 39,864,636 and 57,006,018

Step by Step Solution

1. Step 1: Write the proportion equation
   39,864,636 : 57,006,018 = 57,006,018 : x
2. Step 2: Convert to fraction form
   39,864,636/57,006,018 = 57,006,018/x
3. Step 3: Cross multiply
   39,864,636x = 57,006,018 × 57,006,018
4. Step 4: Simplify right side
   39,864,636x = 3,249,686,088,216,324
5. Step 5: Solve for x
   x = 3,249,686,088,216,324/39,864,636
6. Step 6: Final answer
   x = 81,518,017.33