Finding the Third Proportional to 787,072 and 1,189,984

Step by Step Solution

1. Step 1: Write the proportion equation
   787,072 : 1,189,984 = 1,189,984 : x
2. Step 2: Convert to fraction form
   787,072/1,189,984 = 1,189,984/x
3. Step 3: Cross multiply
   787,072x = 1,189,984 × 1,189,984
4. Step 4: Simplify right side
   787,072x = 1,416,061,920,256
5. Step 5: Solve for x
   x = 1,416,061,920,256/787,072
6. Step 6: Final answer
   x = 1,799,151.69