Finding the Third Proportional to 784,854 and 1,640,772

Step by Step Solution

1. Step 1: Write the proportion equation
   784,854 : 1,640,772 = 1,640,772 : x
2. Step 2: Convert to fraction form
   784,854/1,640,772 = 1,640,772/x
3. Step 3: Cross multiply
   784,854x = 1,640,772 × 1,640,772
4. Step 4: Simplify right side
   784,854x = 2,692,132,755,984
5. Step 5: Solve for x
   x = 2,692,132,755,984/784,854
6. Step 6: Final answer
   x = 3,430,106.44