Finding the Third Proportional to 1,335,376 and 2,070,860

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335,376 : 2,070,860 = 2,070,860 : x
2. Step 2: Convert to fraction form
   1,335,376/2,070,860 = 2,070,860/x
3. Step 3: Cross multiply
   1,335,376x = 2,070,860 × 2,070,860
4. Step 4: Simplify right side
   1,335,376x = 4,288,461,139,600
5. Step 5: Solve for x
   x = 4,288,461,139,600/1,335,376
6. Step 6: Final answer
   x = 3,211,425.95