Finding the Third Proportional to 139,034.81 and 303,554.25

Step by Step Solution

1. Step 1: Write the proportion equation
   139,034.81 : 303,554.25 = 303,554.25 : x
2. Step 2: Convert to fraction form
   139,034.81/303,554.25 = 303,554.25/x
3. Step 3: Cross multiply
   139,034.81x = 303,554.25 × 303,554.25
4. Step 4: Simplify right side
   139,034.81x = 92,145,182,693.06
5. Step 5: Solve for x
   x = 92,145,182,693.06/139,034.81
6. Step 6: Final answer
   x = 662,749.00