Finding the Third Proportional to 1,406,264 and 2,912,220

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406,264 : 2,912,220 = 2,912,220 : x
2. Step 2: Convert to fraction form
   1,406,264/2,912,220 = 2,912,220/x
3. Step 3: Cross multiply
   1,406,264x = 2,912,220 × 2,912,220
4. Step 4: Simplify right side
   1,406,264x = 8,481,025,328,400
5. Step 5: Solve for x
   x = 8,481,025,328,400/1,406,264
6. Step 6: Final answer
   x = 6,030,891.30