Finding the Third Proportional to 623,349 and 1,342,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   623,349 : 1,342,021.50 = 1,342,021.50 : x
2. Step 2: Convert to fraction form
   623,349/1,342,021.50 = 1,342,021.50/x
3. Step 3: Cross multiply
   623,349x = 1,342,021.50 × 1,342,021.50
4. Step 4: Simplify right side
   623,349x = 1,801,021,706,462.25
5. Step 5: Solve for x
   x = 1,801,021,706,462.25/623,349
6. Step 6: Final answer
   x = 2,889,267.02