Finding the Third Proportional to 623,453 and 1,353,178

Step by Step Solution

1. Step 1: Write the proportion equation
   623,453 : 1,353,178 = 1,353,178 : x
2. Step 2: Convert to fraction form
   623,453/1,353,178 = 1,353,178/x
3. Step 3: Cross multiply
   623,453x = 1,353,178 × 1,353,178
4. Step 4: Simplify right side
   623,453x = 1,831,090,699,684
5. Step 5: Solve for x
   x = 1,831,090,699,684/623,453
6. Step 6: Final answer
   x = 2,937,014.82