Finding the Third Proportional to 139,459.50 and 302,097

Step by Step Solution

1. Step 1: Write the proportion equation
   139,459.50 : 302,097 = 302,097 : x
2. Step 2: Convert to fraction form
   139,459.50/302,097 = 302,097/x
3. Step 3: Cross multiply
   139,459.50x = 302,097 × 302,097
4. Step 4: Simplify right side
   139,459.50x = 91,262,597,409
5. Step 5: Solve for x
   x = 91,262,597,409/139,459.50
6. Step 6: Final answer
   x = 654,402.16