Finding the Third Proportional to 2,161,571 and 4,657,160

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,571 : 4,657,160 = 4,657,160 : x
2. Step 2: Convert to fraction form
   2,161,571/4,657,160 = 4,657,160/x
3. Step 3: Cross multiply
   2,161,571x = 4,657,160 × 4,657,160
4. Step 4: Simplify right side
   2,161,571x = 21,689,139,265,600
5. Step 5: Solve for x
   x = 21,689,139,265,600/2,161,571
6. Step 6: Final answer
   x = 10,033,970.32