Finding the Third Proportional to 530,890 and 1,155,080

Step by Step Solution

1. Step 1: Write the proportion equation
   530,890 : 1,155,080 = 1,155,080 : x
2. Step 2: Convert to fraction form
   530,890/1,155,080 = 1,155,080/x
3. Step 3: Cross multiply
   530,890x = 1,155,080 × 1,155,080
4. Step 4: Simplify right side
   530,890x = 1,334,209,806,400
5. Step 5: Solve for x
   x = 1,334,209,806,400/530,890
6. Step 6: Final answer
   x = 2,513,156.79