Finding the Third Proportional to 751,834 and 1,621,034

Step by Step Solution

1. Step 1: Write the proportion equation
   751,834 : 1,621,034 = 1,621,034 : x
2. Step 2: Convert to fraction form
   751,834/1,621,034 = 1,621,034/x
3. Step 3: Cross multiply
   751,834x = 1,621,034 × 1,621,034
4. Step 4: Simplify right side
   751,834x = 2,627,751,229,156
5. Step 5: Solve for x
   x = 2,627,751,229,156/751,834
6. Step 6: Final answer
   x = 3,495,121.57