Finding the Third Proportional to 47,210 and 72,454

Step by Step Solution

1. Step 1: Write the proportion equation
   47,210 : 72,454 = 72,454 : x
2. Step 2: Convert to fraction form
   47,210/72,454 = 72,454/x
3. Step 3: Cross multiply
   47,210x = 72,454 × 72,454
4. Step 4: Simplify right side
   47,210x = 5,249,582,116
5. Step 5: Solve for x
   x = 5,249,582,116/47,210
6. Step 6: Final answer
   x = 111,196.40