Finding the Third Proportional to 759,690 and 1,621,074

Step by Step Solution

1. Step 1: Write the proportion equation
   759,690 : 1,621,074 = 1,621,074 : x
2. Step 2: Convert to fraction form
   759,690/1,621,074 = 1,621,074/x
3. Step 3: Cross multiply
   759,690x = 1,621,074 × 1,621,074
4. Step 4: Simplify right side
   759,690x = 2,627,880,913,476
5. Step 5: Solve for x
   x = 2,627,880,913,476/759,690
6. Step 6: Final answer
   x = 3,459,149.01