Finding the Third Proportional to 647,667 and 971,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,667 : 971,572.50 = 971,572.50 : x
2. Step 2: Convert to fraction form
   647,667/971,572.50 = 971,572.50/x
3. Step 3: Cross multiply
   647,667x = 971,572.50 × 971,572.50
4. Step 4: Simplify right side
   647,667x = 943,953,122,756.25
5. Step 5: Solve for x
   x = 943,953,122,756.25/647,667
6. Step 6: Final answer
   x = 1,457,466.76