Finding the Third Proportional to 18,477,051,116 and 37,933,624,539

Step by Step Solution

1. Step 1: Write the proportion equation
   18,477,051,116 : 37,933,624,539 = 37,933,624,539 : x
2. Step 2: Convert to fraction form
   18,477,051,116/37,933,624,539 = 37,933,624,539/x
3. Step 3: Cross multiply
   18,477,051,116x = 37,933,624,539 × 37,933,624,539
4. Step 4: Simplify right side
   18,477,051,116x = 1,438,959,870,665,823,092,736
5. Step 5: Solve for x
   x = 1,438,959,870,665,823,092,736/18,477,051,116
6. Step 6: Final answer
   x = 77,878,221,023.04