Finding the Third Proportional to 381,937 and 840,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   381,937 : 840,142.50 = 840,142.50 : x
2. Step 2: Convert to fraction form
   381,937/840,142.50 = 840,142.50/x
3. Step 3: Cross multiply
   381,937x = 840,142.50 × 840,142.50
4. Step 4: Simplify right side
   381,937x = 705,839,420,306.25
5. Step 5: Solve for x
   x = 705,839,420,306.25/381,937
6. Step 6: Final answer
   x = 1,848,051.96