Finding the Third Proportional to 455,112 and 655,546.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,112 : 655,546.50 = 655,546.50 : x
2. Step 2: Convert to fraction form
   455,112/655,546.50 = 655,546.50/x
3. Step 3: Cross multiply
   455,112x = 655,546.50 × 655,546.50
4. Step 4: Simplify right side
   455,112x = 429,741,213,662.25
5. Step 5: Solve for x
   x = 429,741,213,662.25/455,112
6. Step 6: Final answer
   x = 944,253.75