Finding the Third Proportional to 1,207,623 and 2,559,224

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,623 : 2,559,224 = 2,559,224 : x
2. Step 2: Convert to fraction form
   1,207,623/2,559,224 = 2,559,224/x
3. Step 3: Cross multiply
   1,207,623x = 2,559,224 × 2,559,224
4. Step 4: Simplify right side
   1,207,623x = 6,549,627,482,176
5. Step 5: Solve for x
   x = 6,549,627,482,176/1,207,623
6. Step 6: Final answer
   x = 5,423,569.68