Finding the Third Proportional to 786,288 and 1,684,752

Step by Step Solution

1. Step 1: Write the proportion equation
   786,288 : 1,684,752 = 1,684,752 : x
2. Step 2: Convert to fraction form
   786,288/1,684,752 = 1,684,752/x
3. Step 3: Cross multiply
   786,288x = 1,684,752 × 1,684,752
4. Step 4: Simplify right side
   786,288x = 2,838,389,301,504
5. Step 5: Solve for x
   x = 2,838,389,301,504/786,288
6. Step 6: Final answer
   x = 3,609,859.62