Finding the Third Proportional to 48,407 and 72,607

Step by Step Solution

1. Step 1: Write the proportion equation
   48,407 : 72,607 = 72,607 : x
2. Step 2: Convert to fraction form
   48,407/72,607 = 72,607/x
3. Step 3: Cross multiply
   48,407x = 72,607 × 72,607
4. Step 4: Simplify right side
   48,407x = 5,271,776,449
5. Step 5: Solve for x
   x = 5,271,776,449/48,407
6. Step 6: Final answer
   x = 108,905.25