Finding the Third Proportional to 1,869,042 and 2,928,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869,042 : 2,928,120 = 2,928,120 : x
2. Step 2: Convert to fraction form
   1,869,042/2,928,120 = 2,928,120/x
3. Step 3: Cross multiply
   1,869,042x = 2,928,120 × 2,928,120
4. Step 4: Simplify right side
   1,869,042x = 8,573,886,734,400
5. Step 5: Solve for x
   x = 8,573,886,734,400/1,869,042
6. Step 6: Final answer
   x = 4,587,316.25