Finding the Third Proportional to 514,696 and 780,792

Step by Step Solution

1. Step 1: Write the proportion equation
   514,696 : 780,792 = 780,792 : x
2. Step 2: Convert to fraction form
   514,696/780,792 = 780,792/x
3. Step 3: Cross multiply
   514,696x = 780,792 × 780,792
4. Step 4: Simplify right side
   514,696x = 609,636,147,264
5. Step 5: Solve for x
   x = 609,636,147,264/514,696
6. Step 6: Final answer
   x = 1,184,458.68