Finding the Third Proportional to 787,899 and 1,147,392

Step by Step Solution

1. Step 1: Write the proportion equation
   787,899 : 1,147,392 = 1,147,392 : x
2. Step 2: Convert to fraction form
   787,899/1,147,392 = 1,147,392/x
3. Step 3: Cross multiply
   787,899x = 1,147,392 × 1,147,392
4. Step 4: Simplify right side
   787,899x = 1,316,508,401,664
5. Step 5: Solve for x
   x = 1,316,508,401,664/787,899
6. Step 6: Final answer
   x = 1,670,910.11