Finding the Third Proportional to 740,430 and 1,539,054

Step by Step Solution

1. Step 1: Write the proportion equation
   740,430 : 1,539,054 = 1,539,054 : x
2. Step 2: Convert to fraction form
   740,430/1,539,054 = 1,539,054/x
3. Step 3: Cross multiply
   740,430x = 1,539,054 × 1,539,054
4. Step 4: Simplify right side
   740,430x = 2,368,687,214,916
5. Step 5: Solve for x
   x = 2,368,687,214,916/740,430
6. Step 6: Final answer
   x = 3,199,069.75