Finding the Third Proportional to 1,017,684 and 2,139,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,684 : 2,139,979.50 = 2,139,979.50 : x
2. Step 2: Convert to fraction form
   1,017,684/2,139,979.50 = 2,139,979.50/x
3. Step 3: Cross multiply
   1,017,684x = 2,139,979.50 × 2,139,979.50
4. Step 4: Simplify right side
   1,017,684x = 4,579,512,260,420.25
5. Step 5: Solve for x
   x = 4,579,512,260,420.25/1,017,684
6. Step 6: Final answer
   x = 4,499,935.40