Finding the Third Proportional to 49,410 and 72,468

Step by Step Solution

1. Step 1: Write the proportion equation
   49,410 : 72,468 = 72,468 : x
2. Step 2: Convert to fraction form
   49,410/72,468 = 72,468/x
3. Step 3: Cross multiply
   49,410x = 72,468 × 72,468
4. Step 4: Simplify right side
   49,410x = 5,251,611,024
5. Step 5: Solve for x
   x = 5,251,611,024/49,410
6. Step 6: Final answer
   x = 106,286.40