Finding the Third Proportional to 762,412 and 1,121,442

Step by Step Solution

1. Step 1: Write the proportion equation
   762,412 : 1,121,442 = 1,121,442 : x
2. Step 2: Convert to fraction form
   762,412/1,121,442 = 1,121,442/x
3. Step 3: Cross multiply
   762,412x = 1,121,442 × 1,121,442
4. Step 4: Simplify right side
   762,412x = 1,257,632,159,364
5. Step 5: Solve for x
   x = 1,257,632,159,364/762,412
6. Step 6: Final answer
   x = 1,649,544.03