Finding the Third Proportional to 1,360,688 and 2,979,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360,688 : 2,979,172 = 2,979,172 : x
2. Step 2: Convert to fraction form
   1,360,688/2,979,172 = 2,979,172/x
3. Step 3: Cross multiply
   1,360,688x = 2,979,172 × 2,979,172
4. Step 4: Simplify right side
   1,360,688x = 8,875,465,805,584
5. Step 5: Solve for x
   x = 8,875,465,805,584/1,360,688
6. Step 6: Final answer
   x = 6,522,778.04