Finding the Third Proportional to 1,242,902 and 1,919,300

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,902 : 1,919,300 = 1,919,300 : x
2. Step 2: Convert to fraction form
   1,242,902/1,919,300 = 1,919,300/x
3. Step 3: Cross multiply
   1,242,902x = 1,919,300 × 1,919,300
4. Step 4: Simplify right side
   1,242,902x = 3,683,712,490,000
5. Step 5: Solve for x
   x = 3,683,712,490,000/1,242,902
6. Step 6: Final answer
   x = 2,963,799.63