Finding the Third Proportional to 851,784 and 1,876,400

Step by Step Solution

1. Step 1: Write the proportion equation
   851,784 : 1,876,400 = 1,876,400 : x
2. Step 2: Convert to fraction form
   851,784/1,876,400 = 1,876,400/x
3. Step 3: Cross multiply
   851,784x = 1,876,400 × 1,876,400
4. Step 4: Simplify right side
   851,784x = 3,520,876,960,000
5. Step 5: Solve for x
   x = 3,520,876,960,000/851,784
6. Step 6: Final answer
   x = 4,133,532.63