Finding the Third Proportional to 460,989 and 699,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   460,989 : 699,787.50 = 699,787.50 : x
2. Step 2: Convert to fraction form
   460,989/699,787.50 = 699,787.50/x
3. Step 3: Cross multiply
   460,989x = 699,787.50 × 699,787.50
4. Step 4: Simplify right side
   460,989x = 489,702,545,156.25
5. Step 5: Solve for x
   x = 489,702,545,156.25/460,989
6. Step 6: Final answer
   x = 1,062,286.83