Finding the Third Proportional to 64,314 and 139,358.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,314 : 139,358.25 = 139,358.25 : x
2. Step 2: Convert to fraction form
   64,314/139,358.25 = 139,358.25/x
3. Step 3: Cross multiply
   64,314x = 139,358.25 × 139,358.25
4. Step 4: Simplify right side
   64,314x = 19,420,721,843.06
5. Step 5: Solve for x
   x = 19,420,721,843.06/64,314
6. Step 6: Final answer
   x = 301,967.25