Finding the Third Proportional to 438,679.50 and 942,624

Step by Step Solution

1. Step 1: Write the proportion equation
   438,679.50 : 942,624 = 942,624 : x
2. Step 2: Convert to fraction form
   438,679.50/942,624 = 942,624/x
3. Step 3: Cross multiply
   438,679.50x = 942,624 × 942,624
4. Step 4: Simplify right side
   438,679.50x = 888,540,005,376
5. Step 5: Solve for x
   x = 888,540,005,376/438,679.50
6. Step 6: Final answer
   x = 2,025,487.87