Finding the Third Proportional to 1,625,864 and 3,739,412

Step by Step Solution

1. Step 1: Write the proportion equation
   1,625,864 : 3,739,412 = 3,739,412 : x
2. Step 2: Convert to fraction form
   1,625,864/3,739,412 = 3,739,412/x
3. Step 3: Cross multiply
   1,625,864x = 3,739,412 × 3,739,412
4. Step 4: Simplify right side
   1,625,864x = 13,983,202,105,744
5. Step 5: Solve for x
   x = 13,983,202,105,744/1,625,864
6. Step 6: Final answer
   x = 8,600,474.64