Finding the Third Proportional to 1,580,724 and 3,410,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580,724 : 3,410,280 = 3,410,280 : x
2. Step 2: Convert to fraction form
   1,580,724/3,410,280 = 3,410,280/x
3. Step 3: Cross multiply
   1,580,724x = 3,410,280 × 3,410,280
4. Step 4: Simplify right side
   1,580,724x = 11,630,009,678,400
5. Step 5: Solve for x
   x = 11,630,009,678,400/1,580,724
6. Step 6: Final answer
   x = 7,357,394.26