Finding the Third Proportional to 460,530 and 647,599.50

Step by Step Solution

1. Step 1: Write the proportion equation
   460,530 : 647,599.50 = 647,599.50 : x
2. Step 2: Convert to fraction form
   460,530/647,599.50 = 647,599.50/x
3. Step 3: Cross multiply
   460,530x = 647,599.50 × 647,599.50
4. Step 4: Simplify right side
   460,530x = 419,385,112,400.25
5. Step 5: Solve for x
   x = 419,385,112,400.25/460,530
6. Step 6: Final answer
   x = 910,657.53