Finding the Third Proportional to 1,385,460 and 2,072,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,460 : 2,072,628 = 2,072,628 : x
2. Step 2: Convert to fraction form
   1,385,460/2,072,628 = 2,072,628/x
3. Step 3: Cross multiply
   1,385,460x = 2,072,628 × 2,072,628
4. Step 4: Simplify right side
   1,385,460x = 4,295,786,826,384
5. Step 5: Solve for x
   x = 4,295,786,826,384/1,385,460
6. Step 6: Final answer
   x = 3,100,621.33