Finding the Third Proportional to 137,178.50 and 299,494

Step by Step Solution

1. Step 1: Write the proportion equation
   137,178.50 : 299,494 = 299,494 : x
2. Step 2: Convert to fraction form
   137,178.50/299,494 = 299,494/x
3. Step 3: Cross multiply
   137,178.50x = 299,494 × 299,494
4. Step 4: Simplify right side
   137,178.50x = 89,696,656,036
5. Step 5: Solve for x
   x = 89,696,656,036/137,178.50
6. Step 6: Final answer
   x = 653,868.18