Finding the Third Proportional to 64,260 and 139,244.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,260 : 139,244.25 = 139,244.25 : x
2. Step 2: Convert to fraction form
   64,260/139,244.25 = 139,244.25/x
3. Step 3: Cross multiply
   64,260x = 139,244.25 × 139,244.25
4. Step 4: Simplify right side
   64,260x = 19,388,961,158.06
5. Step 5: Solve for x
   x = 19,388,961,158.06/64,260
6. Step 6: Final answer
   x = 301,726.75