Finding the Third Proportional to 757,312 and 1,621,028

Step by Step Solution

1. Step 1: Write the proportion equation
   757,312 : 1,621,028 = 1,621,028 : x
2. Step 2: Convert to fraction form
   757,312/1,621,028 = 1,621,028/x
3. Step 3: Cross multiply
   757,312x = 1,621,028 × 1,621,028
4. Step 4: Simplify right side
   757,312x = 2,627,731,776,784
5. Step 5: Solve for x
   x = 2,627,731,776,784/757,312
6. Step 6: Final answer
   x = 3,469,814.00