Finding the Third Proportional to 758,168 and 1,621,312

Step by Step Solution

1. Step 1: Write the proportion equation
   758,168 : 1,621,312 = 1,621,312 : x
2. Step 2: Convert to fraction form
   758,168/1,621,312 = 1,621,312/x
3. Step 3: Cross multiply
   758,168x = 1,621,312 × 1,621,312
4. Step 4: Simplify right side
   758,168x = 2,628,652,601,344
5. Step 5: Solve for x
   x = 2,628,652,601,344/758,168
6. Step 6: Final answer
   x = 3,467,110.99