Finding the Third Proportional to 65,053 and 139,808

Step by Step Solution

1. Step 1: Write the proportion equation
   65,053 : 139,808 = 139,808 : x
2. Step 2: Convert to fraction form
   65,053/139,808 = 139,808/x
3. Step 3: Cross multiply
   65,053x = 139,808 × 139,808
4. Step 4: Simplify right side
   65,053x = 19,546,276,864
5. Step 5: Solve for x
   x = 19,546,276,864/65,053
6. Step 6: Final answer
   x = 300,466.96