Finding the Third Proportional to 48,520 and 72,848

Step by Step Solution

1. Step 1: Write the proportion equation
   48,520 : 72,848 = 72,848 : x
2. Step 2: Convert to fraction form
   48,520/72,848 = 72,848/x
3. Step 3: Cross multiply
   48,520x = 72,848 × 72,848
4. Step 4: Simplify right side
   48,520x = 5,306,831,104
5. Step 5: Solve for x
   x = 5,306,831,104/48,520
6. Step 6: Final answer
   x = 109,374.10