Finding the Third Proportional to 139,077 and 300,327.75

Step by Step Solution

1. Step 1: Write the proportion equation
   139,077 : 300,327.75 = 300,327.75 : x
2. Step 2: Convert to fraction form
   139,077/300,327.75 = 300,327.75/x
3. Step 3: Cross multiply
   139,077x = 300,327.75 × 300,327.75
4. Step 4: Simplify right side
   139,077x = 90,196,757,420.06
5. Step 5: Solve for x
   x = 90,196,757,420.06/139,077
6. Step 6: Final answer
   x = 648,538.27