Finding the Third Proportional to 3,451,574 and 5,402,703

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451,574 : 5,402,703 = 5,402,703 : x
2. Step 2: Convert to fraction form
   3,451,574/5,402,703 = 5,402,703/x
3. Step 3: Cross multiply
   3,451,574x = 5,402,703 × 5,402,703
4. Step 4: Simplify right side
   3,451,574x = 29,189,199,706,209
5. Step 5: Solve for x
   x = 29,189,199,706,209/3,451,574
6. Step 6: Final answer
   x = 8,456,779.34