Finding the Third Proportional to 751,838 and 1,621,042

Step by Step Solution

1. Step 1: Write the proportion equation
   751,838 : 1,621,042 = 1,621,042 : x
2. Step 2: Convert to fraction form
   751,838/1,621,042 = 1,621,042/x
3. Step 3: Cross multiply
   751,838x = 1,621,042 × 1,621,042
4. Step 4: Simplify right side
   751,838x = 2,627,777,165,764
5. Step 5: Solve for x
   x = 2,627,777,165,764/751,838
6. Step 6: Final answer
   x = 3,495,137.47