Finding the Third Proportional to 310,002 and 438,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   310,002 : 438,773.50 = 438,773.50 : x
2. Step 2: Convert to fraction form
   310,002/438,773.50 = 438,773.50/x
3. Step 3: Cross multiply
   310,002x = 438,773.50 × 438,773.50
4. Step 4: Simplify right side
   310,002x = 192,522,184,302.25
5. Step 5: Solve for x
   x = 192,522,184,302.25/310,002
6. Step 6: Final answer
   x = 621,035.30