Finding the Third Proportional to 2,132,400 and 4,415,702

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132,400 : 4,415,702 = 4,415,702 : x
2. Step 2: Convert to fraction form
   2,132,400/4,415,702 = 4,415,702/x
3. Step 3: Cross multiply
   2,132,400x = 4,415,702 × 4,415,702
4. Step 4: Simplify right side
   2,132,400x = 19,498,424,152,804
5. Step 5: Solve for x
   x = 19,498,424,152,804/2,132,400
6. Step 6: Final answer
   x = 9,143,886.77