Finding the Third Proportional to 781,436 and 1,658,796

Step by Step Solution

1. Step 1: Write the proportion equation
   781,436 : 1,658,796 = 1,658,796 : x
2. Step 2: Convert to fraction form
   781,436/1,658,796 = 1,658,796/x
3. Step 3: Cross multiply
   781,436x = 1,658,796 × 1,658,796
4. Step 4: Simplify right side
   781,436x = 2,751,604,169,616
5. Step 5: Solve for x
   x = 2,751,604,169,616/781,436
6. Step 6: Final answer
   x = 3,521,215.01