Finding the Third Proportional to 452,847 and 666,146

Step by Step Solution

1. Step 1: Write the proportion equation
   452,847 : 666,146 = 666,146 : x
2. Step 2: Convert to fraction form
   452,847/666,146 = 666,146/x
3. Step 3: Cross multiply
   452,847x = 666,146 × 666,146
4. Step 4: Simplify right side
   452,847x = 443,750,493,316
5. Step 5: Solve for x
   x = 443,750,493,316/452,847
6. Step 6: Final answer
   x = 979,912.63