Finding the Third Proportional to 647,237 and 1,418,890

Step by Step Solution

1. Step 1: Write the proportion equation
   647,237 : 1,418,890 = 1,418,890 : x
2. Step 2: Convert to fraction form
   647,237/1,418,890 = 1,418,890/x
3. Step 3: Cross multiply
   647,237x = 1,418,890 × 1,418,890
4. Step 4: Simplify right side
   647,237x = 2,013,248,832,100
5. Step 5: Solve for x
   x = 2,013,248,832,100/647,237
6. Step 6: Final answer
   x = 3,110,528.03