Finding the Third Proportional to 1,973,589 and 4,251,719

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973,589 : 4,251,719 = 4,251,719 : x
2. Step 2: Convert to fraction form
   1,973,589/4,251,719 = 4,251,719/x
3. Step 3: Cross multiply
   1,973,589x = 4,251,719 × 4,251,719
4. Step 4: Simplify right side
   1,973,589x = 18,077,114,454,961
5. Step 5: Solve for x
   x = 18,077,114,454,961/1,973,589
6. Step 6: Final answer
   x = 9,159,513.18