Finding the Third Proportional to 712,272 and 1,109,256

Step by Step Solution

1. Step 1: Write the proportion equation
   712,272 : 1,109,256 = 1,109,256 : x
2. Step 2: Convert to fraction form
   712,272/1,109,256 = 1,109,256/x
3. Step 3: Cross multiply
   712,272x = 1,109,256 × 1,109,256
4. Step 4: Simplify right side
   712,272x = 1,230,448,873,536
5. Step 5: Solve for x
   x = 1,230,448,873,536/712,272
6. Step 6: Final answer
   x = 1,727,498.59