Finding the Third Proportional to 618,000 and 1,302,432

Step by Step Solution

1. Step 1: Write the proportion equation
   618,000 : 1,302,432 = 1,302,432 : x
2. Step 2: Convert to fraction form
   618,000/1,302,432 = 1,302,432/x
3. Step 3: Cross multiply
   618,000x = 1,302,432 × 1,302,432
4. Step 4: Simplify right side
   618,000x = 1,696,329,114,624
5. Step 5: Solve for x
   x = 1,696,329,114,624/618,000
6. Step 6: Final answer
   x = 2,744,869.12