Finding the Third Proportional to 623,248 and 1,364,432

Step by Step Solution

1. Step 1: Write the proportion equation
   623,248 : 1,364,432 = 1,364,432 : x
2. Step 2: Convert to fraction form
   623,248/1,364,432 = 1,364,432/x
3. Step 3: Cross multiply
   623,248x = 1,364,432 × 1,364,432
4. Step 4: Simplify right side
   623,248x = 1,861,674,682,624
5. Step 5: Solve for x
   x = 1,861,674,682,624/623,248
6. Step 6: Final answer
   x = 2,987,052.80