Finding the Third Proportional to 1,676,474 and 3,430,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676,474 : 3,430,420 = 3,430,420 : x
2. Step 2: Convert to fraction form
   1,676,474/3,430,420 = 3,430,420/x
3. Step 3: Cross multiply
   1,676,474x = 3,430,420 × 3,430,420
4. Step 4: Simplify right side
   1,676,474x = 11,767,781,376,400
5. Step 5: Solve for x
   x = 11,767,781,376,400/1,676,474
6. Step 6: Final answer
   x = 7,019,364.08