Finding the Third Proportional to 1,205,506 and 2,578,792

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,506 : 2,578,792 = 2,578,792 : x
2. Step 2: Convert to fraction form
   1,205,506/2,578,792 = 2,578,792/x
3. Step 3: Cross multiply
   1,205,506x = 2,578,792 × 2,578,792
4. Step 4: Simplify right side
   1,205,506x = 6,650,168,179,264
5. Step 5: Solve for x
   x = 6,650,168,179,264/1,205,506
6. Step 6: Final answer
   x = 5,516,495.30