Finding the Third Proportional to 18,120.62 and 37,484.24

Step by Step Solution

1. Step 1: Write the proportion equation
   18,120.62 : 37,484.24 = 37,484.24 : x
2. Step 2: Convert to fraction form
   18,120.62/37,484.24 = 37,484.24/x
3. Step 3: Cross multiply
   18,120.62x = 37,484.24 × 37,484.24
4. Step 4: Simplify right side
   18,120.62x = 1,405,068,558.79
5. Step 5: Solve for x
   x = 1,405,068,558.79/18,120.62
6. Step 6: Final answer
   x = 77,539.76