Finding the Third Proportional to 18,046,921.50 and 37,580,976

Step by Step Solution

1. Step 1: Write the proportion equation
   18,046,921.50 : 37,580,976 = 37,580,976 : x
2. Step 2: Convert to fraction form
   18,046,921.50/37,580,976 = 37,580,976/x
3. Step 3: Cross multiply
   18,046,921.50x = 37,580,976 × 37,580,976
4. Step 4: Simplify right side
   18,046,921.50x = 1,412,329,757,112,576
5. Step 5: Solve for x
   x = 1,412,329,757,112,576/18,046,921.50
6. Step 6: Final answer
   x = 78,258,763.25