Finding the Third Proportional to 762,315 and 1,629,642

Step by Step Solution

1. Step 1: Write the proportion equation
   762,315 : 1,629,642 = 1,629,642 : x
2. Step 2: Convert to fraction form
   762,315/1,629,642 = 1,629,642/x
3. Step 3: Cross multiply
   762,315x = 1,629,642 × 1,629,642
4. Step 4: Simplify right side
   762,315x = 2,655,733,048,164
5. Step 5: Solve for x
   x = 2,655,733,048,164/762,315
6. Step 6: Final answer
   x = 3,483,773.83