Finding the Third Proportional to 546,538 and 1,152,490

Step by Step Solution

1. Step 1: Write the proportion equation
   546,538 : 1,152,490 = 1,152,490 : x
2. Step 2: Convert to fraction form
   546,538/1,152,490 = 1,152,490/x
3. Step 3: Cross multiply
   546,538x = 1,152,490 × 1,152,490
4. Step 4: Simplify right side
   546,538x = 1,328,233,200,100
5. Step 5: Solve for x
   x = 1,328,233,200,100/546,538
6. Step 6: Final answer
   x = 2,430,266.88