Finding the Third Proportional to 619,276 and 1,264,792

Step by Step Solution

1. Step 1: Write the proportion equation
   619,276 : 1,264,792 = 1,264,792 : x
2. Step 2: Convert to fraction form
   619,276/1,264,792 = 1,264,792/x
3. Step 3: Cross multiply
   619,276x = 1,264,792 × 1,264,792
4. Step 4: Simplify right side
   619,276x = 1,599,698,803,264
5. Step 5: Solve for x
   x = 1,599,698,803,264/619,276
6. Step 6: Final answer
   x = 2,583,175.84