Finding the Third Proportional to 1,385,216 and 2,881,264

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,216 : 2,881,264 = 2,881,264 : x
2. Step 2: Convert to fraction form
   1,385,216/2,881,264 = 2,881,264/x
3. Step 3: Cross multiply
   1,385,216x = 2,881,264 × 2,881,264
4. Step 4: Simplify right side
   1,385,216x = 8,301,682,237,696
5. Step 5: Solve for x
   x = 8,301,682,237,696/1,385,216
6. Step 6: Final answer
   x = 5,993,059.74