Finding the Third Proportional to 45,392 and 70,449

Step by Step Solution

1. Step 1: Write the proportion equation
   45,392 : 70,449 = 70,449 : x
2. Step 2: Convert to fraction form
   45,392/70,449 = 70,449/x
3. Step 3: Cross multiply
   45,392x = 70,449 × 70,449
4. Step 4: Simplify right side
   45,392x = 4,963,061,601
5. Step 5: Solve for x
   x = 4,963,061,601/45,392
6. Step 6: Final answer
   x = 109,337.80