Finding the Third Proportional to 623,930 and 1,342,432

Step by Step Solution

1. Step 1: Write the proportion equation
   623,930 : 1,342,432 = 1,342,432 : x
2. Step 2: Convert to fraction form
   623,930/1,342,432 = 1,342,432/x
3. Step 3: Cross multiply
   623,930x = 1,342,432 × 1,342,432
4. Step 4: Simplify right side
   623,930x = 1,802,123,674,624
5. Step 5: Solve for x
   x = 1,802,123,674,624/623,930
6. Step 6: Final answer
   x = 2,888,342.72