Finding the Third Proportional to 851,664 and 1,277,520

Step by Step Solution

1. Step 1: Write the proportion equation
   851,664 : 1,277,520 = 1,277,520 : x
2. Step 2: Convert to fraction form
   851,664/1,277,520 = 1,277,520/x
3. Step 3: Cross multiply
   851,664x = 1,277,520 × 1,277,520
4. Step 4: Simplify right side
   851,664x = 1,632,057,350,400
5. Step 5: Solve for x
   x = 1,632,057,350,400/851,664
6. Step 6: Final answer
   x = 1,916,316.00