Finding the Third Proportional to 446,253 and 670,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   446,253 : 670,354.50 = 670,354.50 : x
2. Step 2: Convert to fraction form
   446,253/670,354.50 = 670,354.50/x
3. Step 3: Cross multiply
   446,253x = 670,354.50 × 670,354.50
4. Step 4: Simplify right side
   446,253x = 449,375,155,670.25
5. Step 5: Solve for x
   x = 449,375,155,670.25/446,253
6. Step 6: Final answer
   x = 1,006,996.38