Finding the Third Proportional to 1,584,634 and 3,415,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,634 : 3,415,670 = 3,415,670 : x
2. Step 2: Convert to fraction form
   1,584,634/3,415,670 = 3,415,670/x
3. Step 3: Cross multiply
   1,584,634x = 3,415,670 × 3,415,670
4. Step 4: Simplify right side
   1,584,634x = 11,666,801,548,900
5. Step 5: Solve for x
   x = 11,666,801,548,900/1,584,634
6. Step 6: Final answer
   x = 7,362,458.18