Finding the Third Proportional to 139,869.38 and 301,851.38

Step by Step Solution

1. Step 1: Write the proportion equation
   139,869.38 : 301,851.38 = 301,851.38 : x
2. Step 2: Convert to fraction form
   139,869.38/301,851.38 = 301,851.38/x
3. Step 3: Cross multiply
   139,869.38x = 301,851.38 × 301,851.38
4. Step 4: Simplify right side
   139,869.38x = 91,114,252,589.39
5. Step 5: Solve for x
   x = 91,114,252,589.39/139,869.38
6. Step 6: Final answer
   x = 651,423.89