Finding the Third Proportional to 37,638,048 and 81,648,960

Step by Step Solution

1. Step 1: Write the proportion equation
   37,638,048 : 81,648,960 = 81,648,960 : x
2. Step 2: Convert to fraction form
   37,638,048/81,648,960 = 81,648,960/x
3. Step 3: Cross multiply
   37,638,048x = 81,648,960 × 81,648,960
4. Step 4: Simplify right side
   37,638,048x = 6,666,552,669,081,600
5. Step 5: Solve for x
   x = 6,666,552,669,081,600/37,638,048
6. Step 6: Final answer
   x = 177,122,699.59