Finding the Third Proportional to 2,153,440 and 2,925,816

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,440 : 2,925,816 = 2,925,816 : x
2. Step 2: Convert to fraction form
   2,153,440/2,925,816 = 2,925,816/x
3. Step 3: Cross multiply
   2,153,440x = 2,925,816 × 2,925,816
4. Step 4: Simplify right side
   2,153,440x = 8,560,399,265,856
5. Step 5: Solve for x
   x = 8,560,399,265,856/2,153,440
6. Step 6: Final answer
   x = 3,975,220.70