Finding the Third Proportional to 647,500.50 and 958,675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,500.50 : 958,675.50 = 958,675.50 : x
2. Step 2: Convert to fraction form
   647,500.50/958,675.50 = 958,675.50/x
3. Step 3: Cross multiply
   647,500.50x = 958,675.50 × 958,675.50
4. Step 4: Simplify right side
   647,500.50x = 919,058,714,300.25
5. Step 5: Solve for x
   x = 919,058,714,300.25/647,500.50
6. Step 6: Final answer
   x = 1,419,394.60