Finding the Third Proportional to 647,961.50 and 1,439,738.25

Step by Step Solution

1. Step 1: Write the proportion equation
   647,961.50 : 1,439,738.25 = 1,439,738.25 : x
2. Step 2: Convert to fraction form
   647,961.50/1,439,738.25 = 1,439,738.25/x
3. Step 3: Cross multiply
   647,961.50x = 1,439,738.25 × 1,439,738.25
4. Step 4: Simplify right side
   647,961.50x = 2,072,846,228,513.06
5. Step 5: Solve for x
   x = 2,072,846,228,513.06/647,961.50
6. Step 6: Final answer
   x = 3,199,026.84