Finding the Third Proportional to 452,853 and 666,157.50

Step by Step Solution

1. Step 1: Write the proportion equation
   452,853 : 666,157.50 = 666,157.50 : x
2. Step 2: Convert to fraction form
   452,853/666,157.50 = 666,157.50/x
3. Step 3: Cross multiply
   452,853x = 666,157.50 × 666,157.50
4. Step 4: Simplify right side
   452,853x = 443,765,814,806.25
5. Step 5: Solve for x
   x = 443,765,814,806.25/452,853
6. Step 6: Final answer
   x = 979,933.48