Finding the Third Proportional to 567,989 and 1,215,781

Step by Step Solution

1. Step 1: Write the proportion equation
   567,989 : 1,215,781 = 1,215,781 : x
2. Step 2: Convert to fraction form
   567,989/1,215,781 = 1,215,781/x
3. Step 3: Cross multiply
   567,989x = 1,215,781 × 1,215,781
4. Step 4: Simplify right side
   567,989x = 1,478,123,439,961
5. Step 5: Solve for x
   x = 1,478,123,439,961/567,989
6. Step 6: Final answer
   x = 2,602,380.40