Finding the Third Proportional to 1,636,356 and 3,500,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,356 : 3,500,140 = 3,500,140 : x
2. Step 2: Convert to fraction form
   1,636,356/3,500,140 = 3,500,140/x
3. Step 3: Cross multiply
   1,636,356x = 3,500,140 × 3,500,140
4. Step 4: Simplify right side
   1,636,356x = 12,250,980,019,600
5. Step 5: Solve for x
   x = 12,250,980,019,600/1,636,356
6. Step 6: Final answer
   x = 7,486,744.95