Finding the Third Proportional to 72,448 and 155,607

Step by Step Solution

1. Step 1: Write the proportion equation
   72,448 : 155,607 = 155,607 : x
2. Step 2: Convert to fraction form
   72,448/155,607 = 155,607/x
3. Step 3: Cross multiply
   72,448x = 155,607 × 155,607
4. Step 4: Simplify right side
   72,448x = 24,213,538,449
5. Step 5: Solve for x
   x = 24,213,538,449/72,448
6. Step 6: Final answer
   x = 334,219.56