Finding the Third Proportional to 1,142,978 and 1,567,335

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,978 : 1,567,335 = 1,567,335 : x
2. Step 2: Convert to fraction form
   1,142,978/1,567,335 = 1,567,335/x
3. Step 3: Cross multiply
   1,142,978x = 1,567,335 × 1,567,335
4. Step 4: Simplify right side
   1,142,978x = 2,456,539,002,225
5. Step 5: Solve for x
   x = 2,456,539,002,225/1,142,978
6. Step 6: Final answer
   x = 2,149,244.34