Finding the Third Proportional to 47,882.81 and 72,489.94

Step by Step Solution

1. Step 1: Write the proportion equation
   47,882.81 : 72,489.94 = 72,489.94 : x
2. Step 2: Convert to fraction form
   47,882.81/72,489.94 = 72,489.94/x
3. Step 3: Cross multiply
   47,882.81x = 72,489.94 × 72,489.94
4. Step 4: Simplify right side
   47,882.81x = 5,254,791,038.75
5. Step 5: Solve for x
   x = 5,254,791,038.75/47,882.81
6. Step 6: Final answer
   x = 109,742.74