Finding the Third Proportional to 1,601,280 and 3,517,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601,280 : 3,517,488 = 3,517,488 : x
2. Step 2: Convert to fraction form
   1,601,280/3,517,488 = 3,517,488/x
3. Step 3: Cross multiply
   1,601,280x = 3,517,488 × 3,517,488
4. Step 4: Simplify right side
   1,601,280x = 12,372,721,830,144
5. Step 5: Solve for x
   x = 12,372,721,830,144/1,601,280
6. Step 6: Final answer
   x = 7,726,769.73