Finding the Third Proportional to 438,438 and 942,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   438,438 : 942,142.50 = 942,142.50 : x
2. Step 2: Convert to fraction form
   438,438/942,142.50 = 942,142.50/x
3. Step 3: Cross multiply
   438,438x = 942,142.50 × 942,142.50
4. Step 4: Simplify right side
   438,438x = 887,632,490,306.25
5. Step 5: Solve for x
   x = 887,632,490,306.25/438,438
6. Step 6: Final answer
   x = 2,024,533.66