Finding the Third Proportional to 423,301.50 and 655,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,301.50 : 655,714.50 = 655,714.50 : x
2. Step 2: Convert to fraction form
   423,301.50/655,714.50 = 655,714.50/x
3. Step 3: Cross multiply
   423,301.50x = 655,714.50 × 655,714.50
4. Step 4: Simplify right side
   423,301.50x = 429,961,505,510.25
5. Step 5: Solve for x
   x = 429,961,505,510.25/423,301.50
6. Step 6: Final answer
   x = 1,015,733.48