Finding the Third Proportional to 1,191,388 and 2,592,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,388 : 2,592,920 = 2,592,920 : x
2. Step 2: Convert to fraction form
   1,191,388/2,592,920 = 2,592,920/x
3. Step 3: Cross multiply
   1,191,388x = 2,592,920 × 2,592,920
4. Step 4: Simplify right side
   1,191,388x = 6,723,234,126,400
5. Step 5: Solve for x
   x = 6,723,234,126,400/1,191,388
6. Step 6: Final answer
   x = 5,643,194.43