Finding the Third Proportional to 64,935 and 139,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,935 : 139,900.50 = 139,900.50 : x
2. Step 2: Convert to fraction form
   64,935/139,900.50 = 139,900.50/x
3. Step 3: Cross multiply
   64,935x = 139,900.50 × 139,900.50
4. Step 4: Simplify right side
   64,935x = 19,572,149,900.25
5. Step 5: Solve for x
   x = 19,572,149,900.25/64,935
6. Step 6: Final answer
   x = 301,411.41