Finding the Third Proportional to 49,476 and 72,438

Step by Step Solution

1. Step 1: Write the proportion equation
   49,476 : 72,438 = 72,438 : x
2. Step 2: Convert to fraction form
   49,476/72,438 = 72,438/x
3. Step 3: Cross multiply
   49,476x = 72,438 × 72,438
4. Step 4: Simplify right side
   49,476x = 5,247,263,844
5. Step 5: Solve for x
   x = 5,247,263,844/49,476
6. Step 6: Final answer
   x = 106,056.75