Finding the Third Proportional to 1,076,326 and 1,688,632

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,326 : 1,688,632 = 1,688,632 : x
2. Step 2: Convert to fraction form
   1,076,326/1,688,632 = 1,688,632/x
3. Step 3: Cross multiply
   1,076,326x = 1,688,632 × 1,688,632
4. Step 4: Simplify right side
   1,076,326x = 2,851,478,031,424
5. Step 5: Solve for x
   x = 2,851,478,031,424/1,076,326
6. Step 6: Final answer
   x = 2,649,269.86