Finding the Third Proportional to 646,495.50 and 974,664

Step by Step Solution

1. Step 1: Write the proportion equation
   646,495.50 : 974,664 = 974,664 : x
2. Step 2: Convert to fraction form
   646,495.50/974,664 = 974,664/x
3. Step 3: Cross multiply
   646,495.50x = 974,664 × 974,664
4. Step 4: Simplify right side
   646,495.50x = 949,969,912,896
5. Step 5: Solve for x
   x = 949,969,912,896/646,495.50
6. Step 6: Final answer
   x = 1,469,414.58