Finding the Third Proportional to 303,553.50 and 666,156

Step by Step Solution

1. Step 1: Write the proportion equation
   303,553.50 : 666,156 = 666,156 : x
2. Step 2: Convert to fraction form
   303,553.50/666,156 = 666,156/x
3. Step 3: Cross multiply
   303,553.50x = 666,156 × 666,156
4. Step 4: Simplify right side
   303,553.50x = 443,763,816,336
5. Step 5: Solve for x
   x = 443,763,816,336/303,553.50
6. Step 6: Final answer
   x = 1,461,896.56