Finding the Third Proportional to 2,431,230 and 5,290,572

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,230 : 5,290,572 = 5,290,572 : x
2. Step 2: Convert to fraction form
   2,431,230/5,290,572 = 5,290,572/x
3. Step 3: Cross multiply
   2,431,230x = 5,290,572 × 5,290,572
4. Step 4: Simplify right side
   2,431,230x = 27,990,152,087,184
5. Step 5: Solve for x
   x = 27,990,152,087,184/2,431,230
6. Step 6: Final answer
   x = 11,512,753.66