Finding the Third Proportional to 1,621,342 and 3,519,594

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621,342 : 3,519,594 = 3,519,594 : x
2. Step 2: Convert to fraction form
   1,621,342/3,519,594 = 3,519,594/x
3. Step 3: Cross multiply
   1,621,342x = 3,519,594 × 3,519,594
4. Step 4: Simplify right side
   1,621,342x = 12,387,541,924,836
5. Step 5: Solve for x
   x = 12,387,541,924,836/1,621,342
6. Step 6: Final answer
   x = 7,640,301.63