Finding the Third Proportional to 680,495 and 1,485,506

Step by Step Solution

1. Step 1: Write the proportion equation
   680,495 : 1,485,506 = 1,485,506 : x
2. Step 2: Convert to fraction form
   680,495/1,485,506 = 1,485,506/x
3. Step 3: Cross multiply
   680,495x = 1,485,506 × 1,485,506
4. Step 4: Simplify right side
   680,495x = 2,206,728,076,036
5. Step 5: Solve for x
   x = 2,206,728,076,036/680,495
6. Step 6: Final answer
   x = 3,242,827.76