Finding the Third Proportional to 758,236 and 1,140,430

Step by Step Solution

1. Step 1: Write the proportion equation
   758,236 : 1,140,430 = 1,140,430 : x
2. Step 2: Convert to fraction form
   758,236/1,140,430 = 1,140,430/x
3. Step 3: Cross multiply
   758,236x = 1,140,430 × 1,140,430
4. Step 4: Simplify right side
   758,236x = 1,300,580,584,900
5. Step 5: Solve for x
   x = 1,300,580,584,900/758,236
6. Step 6: Final answer
   x = 1,715,271.48