Finding the Third Proportional to 2,129,216 and 3,386,160

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,216 : 3,386,160 = 3,386,160 : x
2. Step 2: Convert to fraction form
   2,129,216/3,386,160 = 3,386,160/x
3. Step 3: Cross multiply
   2,129,216x = 3,386,160 × 3,386,160
4. Step 4: Simplify right side
   2,129,216x = 11,466,079,545,600
5. Step 5: Solve for x
   x = 11,466,079,545,600/2,129,216
6. Step 6: Final answer
   x = 5,385,118.06