Finding the Third Proportional to 759,848 and 1,621,390

Step by Step Solution

1. Step 1: Write the proportion equation
   759,848 : 1,621,390 = 1,621,390 : x
2. Step 2: Convert to fraction form
   759,848/1,621,390 = 1,621,390/x
3. Step 3: Cross multiply
   759,848x = 1,621,390 × 1,621,390
4. Step 4: Simplify right side
   759,848x = 2,628,905,532,100
5. Step 5: Solve for x
   x = 2,628,905,532,100/759,848
6. Step 6: Final answer
   x = 3,459,778.18