Finding the Third Proportional to 731,448 and 1,097,172

Step by Step Solution

1. Step 1: Write the proportion equation
   731,448 : 1,097,172 = 1,097,172 : x
2. Step 2: Convert to fraction form
   731,448/1,097,172 = 1,097,172/x
3. Step 3: Cross multiply
   731,448x = 1,097,172 × 1,097,172
4. Step 4: Simplify right side
   731,448x = 1,203,786,397,584
5. Step 5: Solve for x
   x = 1,203,786,397,584/731,448
6. Step 6: Final answer
   x = 1,645,758