Finding the Third Proportional to 647,684.50 and 1,015,899

Step by Step Solution

1. Step 1: Write the proportion equation
   647,684.50 : 1,015,899 = 1,015,899 : x
2. Step 2: Convert to fraction form
   647,684.50/1,015,899 = 1,015,899/x
3. Step 3: Cross multiply
   647,684.50x = 1,015,899 × 1,015,899
4. Step 4: Simplify right side
   647,684.50x = 1,032,050,778,201
5. Step 5: Solve for x
   x = 1,032,050,778,201/647,684.50
6. Step 6: Final answer
   x = 1,593,446.78