Finding the Third Proportional to 37,637,796 and 81,648,456

Step by Step Solution

1. Step 1: Write the proportion equation
   37,637,796 : 81,648,456 = 81,648,456 : x
2. Step 2: Convert to fraction form
   37,637,796/81,648,456 = 81,648,456/x
3. Step 3: Cross multiply
   37,637,796x = 81,648,456 × 81,648,456
4. Step 4: Simplify right side
   37,637,796x = 6,666,470,367,183,936
5. Step 5: Solve for x
   x = 6,666,470,367,183,936/37,637,796
6. Step 6: Final answer
   x = 177,121,698.82