Finding the Third Proportional to 1,973,454 and 4,251,447

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973,454 : 4,251,447 = 4,251,447 : x
2. Step 2: Convert to fraction form
   1,973,454/4,251,447 = 4,251,447/x
3. Step 3: Cross multiply
   1,973,454x = 4,251,447 × 4,251,447
4. Step 4: Simplify right side
   1,973,454x = 18,074,801,593,809
5. Step 5: Solve for x
   x = 18,074,801,593,809/1,973,454
6. Step 6: Final answer
   x = 9,158,967.78