Finding the Third Proportional to 647,838 and 1,016,172

Step by Step Solution

1. Step 1: Write the proportion equation
   647,838 : 1,016,172 = 1,016,172 : x
2. Step 2: Convert to fraction form
   647,838/1,016,172 = 1,016,172/x
3. Step 3: Cross multiply
   647,838x = 1,016,172 × 1,016,172
4. Step 4: Simplify right side
   647,838x = 1,032,605,533,584
5. Step 5: Solve for x
   x = 1,032,605,533,584/647,838
6. Step 6: Final answer
   x = 1,593,925.54