Finding the Third Proportional to 18,213,187.50 and 37,157,976

Step by Step Solution

1. Step 1: Write the proportion equation
   18,213,187.50 : 37,157,976 = 37,157,976 : x
2. Step 2: Convert to fraction form
   18,213,187.50/37,157,976 = 37,157,976/x
3. Step 3: Cross multiply
   18,213,187.50x = 37,157,976 × 37,157,976
4. Step 4: Simplify right side
   18,213,187.50x = 1,380,715,180,416,576
5. Step 5: Solve for x
   x = 1,380,715,180,416,576/18,213,187.50
6. Step 6: Final answer
   x = 75,808,541.50