Finding the Third Proportional to 210,834.50 and 460,987.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,834.50 : 460,987.50 = 460,987.50 : x
2. Step 2: Convert to fraction form
   210,834.50/460,987.50 = 460,987.50/x
3. Step 3: Cross multiply
   210,834.50x = 460,987.50 × 460,987.50
4. Step 4: Simplify right side
   210,834.50x = 212,509,475,156.25
5. Step 5: Solve for x
   x = 212,509,475,156.25/210,834.50
6. Step 6: Final answer
   x = 1,007,944.50