Finding the Third Proportional to 430,812 and 905,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   430,812 : 905,710.50 = 905,710.50 : x
2. Step 2: Convert to fraction form
   430,812/905,710.50 = 905,710.50/x
3. Step 3: Cross multiply
   430,812x = 905,710.50 × 905,710.50
4. Step 4: Simplify right side
   430,812x = 820,311,509,810.25
5. Step 5: Solve for x
   x = 820,311,509,810.25/430,812
6. Step 6: Final answer
   x = 1,904,105.53