Finding the Third Proportional to 48,439 and 72,938

Step by Step Solution

1. Step 1: Write the proportion equation
   48,439 : 72,938 = 72,938 : x
2. Step 2: Convert to fraction form
   48,439/72,938 = 72,938/x
3. Step 3: Cross multiply
   48,439x = 72,938 × 72,938
4. Step 4: Simplify right side
   48,439x = 5,319,951,844
5. Step 5: Solve for x
   x = 5,319,951,844/48,439
6. Step 6: Final answer
   x = 109,827.86