Finding the Third Proportional to 1,207,614 and 2,559,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,614 : 2,559,210 = 2,559,210 : x
2. Step 2: Convert to fraction form
   1,207,614/2,559,210 = 2,559,210/x
3. Step 3: Cross multiply
   1,207,614x = 2,559,210 × 2,559,210
4. Step 4: Simplify right side
   1,207,614x = 6,549,555,824,100
5. Step 5: Solve for x
   x = 6,549,555,824,100/1,207,614
6. Step 6: Final answer
   x = 5,423,550.76