Finding the Third Proportional to 64,044 and 139,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,044 : 139,162.50 = 139,162.50 : x
2. Step 2: Convert to fraction form
   64,044/139,162.50 = 139,162.50/x
3. Step 3: Cross multiply
   64,044x = 139,162.50 × 139,162.50
4. Step 4: Simplify right side
   64,044x = 19,366,201,406.25
5. Step 5: Solve for x
   x = 19,366,201,406.25/64,044
6. Step 6: Final answer
   x = 302,389.00