Finding the Third Proportional to 757,178 and 1,619,412

Step by Step Solution

1. Step 1: Write the proportion equation
   757,178 : 1,619,412 = 1,619,412 : x
2. Step 2: Convert to fraction form
   757,178/1,619,412 = 1,619,412/x
3. Step 3: Cross multiply
   757,178x = 1,619,412 × 1,619,412
4. Step 4: Simplify right side
   757,178x = 2,622,495,225,744
5. Step 5: Solve for x
   x = 2,622,495,225,744/757,178
6. Step 6: Final answer
   x = 3,463,512.18