Finding the Third Proportional to 818,688 and 1,761,792

Step by Step Solution

1. Step 1: Write the proportion equation
   818,688 : 1,761,792 = 1,761,792 : x
2. Step 2: Convert to fraction form
   818,688/1,761,792 = 1,761,792/x
3. Step 3: Cross multiply
   818,688x = 1,761,792 × 1,761,792
4. Step 4: Simplify right side
   818,688x = 3,103,911,051,264
5. Step 5: Solve for x
   x = 3,103,911,051,264/818,688
6. Step 6: Final answer
   x = 3,791,323.50