Finding the Third Proportional to 623,310 and 1,345,038

Step by Step Solution

1. Step 1: Write the proportion equation
   623,310 : 1,345,038 = 1,345,038 : x
2. Step 2: Convert to fraction form
   623,310/1,345,038 = 1,345,038/x
3. Step 3: Cross multiply
   623,310x = 1,345,038 × 1,345,038
4. Step 4: Simplify right side
   623,310x = 1,809,127,221,444
5. Step 5: Solve for x
   x = 1,809,127,221,444/623,310
6. Step 6: Final answer
   x = 2,902,451.78