Finding the Third Proportional to 1,580,260 and 3,400,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580,260 : 3,400,200 = 3,400,200 : x
2. Step 2: Convert to fraction form
   1,580,260/3,400,200 = 3,400,200/x
3. Step 3: Cross multiply
   1,580,260x = 3,400,200 × 3,400,200
4. Step 4: Simplify right side
   1,580,260x = 11,561,360,040,000
5. Step 5: Solve for x
   x = 11,561,360,040,000/1,580,260
6. Step 6: Final answer
   x = 7,316,112.56