Finding the Third Proportional to 1,520,688 and 2,126,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,688 : 2,126,028 = 2,126,028 : x
2. Step 2: Convert to fraction form
   1,520,688/2,126,028 = 2,126,028/x
3. Step 3: Cross multiply
   1,520,688x = 2,126,028 × 2,126,028
4. Step 4: Simplify right side
   1,520,688x = 4,519,995,056,784
5. Step 5: Solve for x
   x = 4,519,995,056,784/1,520,688
6. Step 6: Final answer
   x = 2,972,335.59