Finding the Third Proportional to 921,042 and 1,420,938

Step by Step Solution

1. Step 1: Write the proportion equation
   921,042 : 1,420,938 = 1,420,938 : x
2. Step 2: Convert to fraction form
   921,042/1,420,938 = 1,420,938/x
3. Step 3: Cross multiply
   921,042x = 1,420,938 × 1,420,938
4. Step 4: Simplify right side
   921,042x = 2,019,064,799,844
5. Step 5: Solve for x
   x = 2,019,064,799,844/921,042
6. Step 6: Final answer
   x = 2,192,152.80