Finding the Third Proportional to 1,566,580 and 3,431,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566,580 : 3,431,672 = 3,431,672 : x
2. Step 2: Convert to fraction form
   1,566,580/3,431,672 = 3,431,672/x
3. Step 3: Cross multiply
   1,566,580x = 3,431,672 × 3,431,672
4. Step 4: Simplify right side
   1,566,580x = 11,776,372,715,584
5. Step 5: Solve for x
   x = 11,776,372,715,584/1,566,580
6. Step 6: Final answer
   x = 7,517,249.50