Finding the Third Proportional to 267,015 and 620,881.50

Step by Step Solution

1. Step 1: Write the proportion equation
   267,015 : 620,881.50 = 620,881.50 : x
2. Step 2: Convert to fraction form
   267,015/620,881.50 = 620,881.50/x
3. Step 3: Cross multiply
   267,015x = 620,881.50 × 620,881.50
4. Step 4: Simplify right side
   267,015x = 385,493,837,042.25
5. Step 5: Solve for x
   x = 385,493,837,042.25/267,015
6. Step 6: Final answer
   x = 1,443,716.03