Finding the Third Proportional to 1,186,404 and 2,559,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,186,404 : 2,559,432 = 2,559,432 : x
2. Step 2: Convert to fraction form
   1,186,404/2,559,432 = 2,559,432/x
3. Step 3: Cross multiply
   1,186,404x = 2,559,432 × 2,559,432
4. Step 4: Simplify right side
   1,186,404x = 6,550,692,162,624
5. Step 5: Solve for x
   x = 6,550,692,162,624/1,186,404
6. Step 6: Final answer
   x = 5,521,468.37