Finding the Third Proportional to 688,864 and 1,074,112

Step by Step Solution

1. Step 1: Write the proportion equation
   688,864 : 1,074,112 = 1,074,112 : x
2. Step 2: Convert to fraction form
   688,864/1,074,112 = 1,074,112/x
3. Step 3: Cross multiply
   688,864x = 1,074,112 × 1,074,112
4. Step 4: Simplify right side
   688,864x = 1,153,716,588,544
5. Step 5: Solve for x
   x = 1,153,716,588,544/688,864
6. Step 6: Final answer
   x = 1,674,810.40