Finding the Third Proportional to 611,512 and 1,438,848

Step by Step Solution

1. Step 1: Write the proportion equation
   611,512 : 1,438,848 = 1,438,848 : x
2. Step 2: Convert to fraction form
   611,512/1,438,848 = 1,438,848/x
3. Step 3: Cross multiply
   611,512x = 1,438,848 × 1,438,848
4. Step 4: Simplify right side
   611,512x = 2,070,283,567,104
5. Step 5: Solve for x
   x = 2,070,283,567,104/611,512
6. Step 6: Final answer
   x = 3,385,515.85