Finding the Third Proportional to 1,691,310 and 3,559,686

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,310 : 3,559,686 = 3,559,686 : x
2. Step 2: Convert to fraction form
   1,691,310/3,559,686 = 3,559,686/x
3. Step 3: Cross multiply
   1,691,310x = 3,559,686 × 3,559,686
4. Step 4: Simplify right side
   1,691,310x = 12,671,364,418,596
5. Step 5: Solve for x
   x = 12,671,364,418,596/1,691,310
6. Step 6: Final answer
   x = 7,492,041.33