Finding the Third Proportional to 65,820.09 and 139,484.53

Step by Step Solution

1. Step 1: Write the proportion equation
   65,820.09 : 139,484.53 = 139,484.53 : x
2. Step 2: Convert to fraction form
   65,820.09/139,484.53 = 139,484.53/x
3. Step 3: Cross multiply
   65,820.09x = 139,484.53 × 139,484.53
4. Step 4: Simplify right side
   65,820.09x = 19,455,934,458.03
5. Step 5: Solve for x
   x = 19,455,934,458.03/65,820.09
6. Step 6: Final answer
   x = 295,592.63