Finding the Third Proportional to 303,554.50 and 666,158

Step by Step Solution

1. Step 1: Write the proportion equation
   303,554.50 : 666,158 = 666,158 : x
2. Step 2: Convert to fraction form
   303,554.50/666,158 = 666,158/x
3. Step 3: Cross multiply
   303,554.50x = 666,158 × 666,158
4. Step 4: Simplify right side
   303,554.50x = 443,766,480,964
5. Step 5: Solve for x
   x = 443,766,480,964/303,554.50
6. Step 6: Final answer
   x = 1,461,900.52