Finding the Third Proportional to 64,110 and 139,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,110 : 139,507.50 = 139,507.50 : x
2. Step 2: Convert to fraction form
   64,110/139,507.50 = 139,507.50/x
3. Step 3: Cross multiply
   64,110x = 139,507.50 × 139,507.50
4. Step 4: Simplify right side
   64,110x = 19,462,342,556.25
5. Step 5: Solve for x
   x = 19,462,342,556.25/64,110
6. Step 6: Final answer
   x = 303,577.33