Finding the Third Proportional to 623,178 and 1,017,495

Step by Step Solution

1. Step 1: Write the proportion equation
   623,178 : 1,017,495 = 1,017,495 : x
2. Step 2: Convert to fraction form
   623,178/1,017,495 = 1,017,495/x
3. Step 3: Cross multiply
   623,178x = 1,017,495 × 1,017,495
4. Step 4: Simplify right side
   623,178x = 1,035,296,075,025
5. Step 5: Solve for x
   x = 1,035,296,075,025/623,178
6. Step 6: Final answer
   x = 1,661,316.79