Finding the Third Proportional to 47,172.38 and 68,814.56

Step by Step Solution

1. Step 1: Write the proportion equation
   47,172.38 : 68,814.56 = 68,814.56 : x
2. Step 2: Convert to fraction form
   47,172.38/68,814.56 = 68,814.56/x
3. Step 3: Cross multiply
   47,172.38x = 68,814.56 × 68,814.56
4. Step 4: Simplify right side
   47,172.38x = 4,735,444,012.07
5. Step 5: Solve for x
   x = 4,735,444,012.07/47,172.38
6. Step 6: Final answer
   x = 100,385.96