Finding the Third Proportional to 1,612,290 and 3,519,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612,290 : 3,519,312 = 3,519,312 : x
2. Step 2: Convert to fraction form
   1,612,290/3,519,312 = 3,519,312/x
3. Step 3: Cross multiply
   1,612,290x = 3,519,312 × 3,519,312
4. Step 4: Simplify right side
   1,612,290x = 12,385,556,953,344
5. Step 5: Solve for x
   x = 12,385,556,953,344/1,612,290
6. Step 6: Final answer
   x = 7,681,965.99