Finding the Third Proportional to 1,870,214 and 4,039,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,214 : 4,039,360 = 4,039,360 : x
2. Step 2: Convert to fraction form
   1,870,214/4,039,360 = 4,039,360/x
3. Step 3: Cross multiply
   1,870,214x = 4,039,360 × 4,039,360
4. Step 4: Simplify right side
   1,870,214x = 16,316,429,209,600
5. Step 5: Solve for x
   x = 16,316,429,209,600/1,870,214
6. Step 6: Final answer
   x = 8,724,364.81