Finding the Third Proportional to 3,158,620 and 4,501,674

Step by Step Solution

1. Step 1: Write the proportion equation
   3,158,620 : 4,501,674 = 4,501,674 : x
2. Step 2: Convert to fraction form
   3,158,620/4,501,674 = 4,501,674/x
3. Step 3: Cross multiply
   3,158,620x = 4,501,674 × 4,501,674
4. Step 4: Simplify right side
   3,158,620x = 20,265,068,802,276
5. Step 5: Solve for x
   x = 20,265,068,802,276/3,158,620
6. Step 6: Final answer
   x = 6,415,798.29