Finding the Third Proportional to 1,242,903 and 1,919,302

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,903 : 1,919,302 = 1,919,302 : x
2. Step 2: Convert to fraction form
   1,242,903/1,919,302 = 1,919,302/x
3. Step 3: Cross multiply
   1,242,903x = 1,919,302 × 1,919,302
4. Step 4: Simplify right side
   1,242,903x = 3,683,720,167,204
5. Step 5: Solve for x
   x = 3,683,720,167,204/1,242,903
6. Step 6: Final answer
   x = 2,963,803.42