Finding the Third Proportional to 799,470 and 1,056,321

Step by Step Solution

1. Step 1: Write the proportion equation
   799,470 : 1,056,321 = 1,056,321 : x
2. Step 2: Convert to fraction form
   799,470/1,056,321 = 1,056,321/x
3. Step 3: Cross multiply
   799,470x = 1,056,321 × 1,056,321
4. Step 4: Simplify right side
   799,470x = 1,115,814,055,041
5. Step 5: Solve for x
   x = 1,115,814,055,041/799,470
6. Step 6: Final answer
   x = 1,395,692.21