Finding the Third Proportional to 1,815,358 and 3,910,801

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815,358 : 3,910,801 = 3,910,801 : x
2. Step 2: Convert to fraction form
   1,815,358/3,910,801 = 3,910,801/x
3. Step 3: Cross multiply
   1,815,358x = 3,910,801 × 3,910,801
4. Step 4: Simplify right side
   1,815,358x = 15,294,364,461,601
5. Step 5: Solve for x
   x = 15,294,364,461,601/1,815,358
6. Step 6: Final answer
   x = 8,424,985.30