Finding the Third Proportional to 137,820 and 300,252

Step by Step Solution

1. Step 1: Write the proportion equation
   137,820 : 300,252 = 300,252 : x
2. Step 2: Convert to fraction form
   137,820/300,252 = 300,252/x
3. Step 3: Cross multiply
   137,820x = 300,252 × 300,252
4. Step 4: Simplify right side
   137,820x = 90,151,263,504
5. Step 5: Solve for x
   x = 90,151,263,504/137,820
6. Step 6: Final answer
   x = 654,123.23