Finding the Third Proportional to 1,098,000 and 2,379,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,000 : 2,379,280 = 2,379,280 : x
2. Step 2: Convert to fraction form
   1,098,000/2,379,280 = 2,379,280/x
3. Step 3: Cross multiply
   1,098,000x = 2,379,280 × 2,379,280
4. Step 4: Simplify right side
   1,098,000x = 5,660,973,318,400
5. Step 5: Solve for x
   x = 5,660,973,318,400/1,098,000
6. Step 6: Final answer
   x = 5,155,713.40