Finding the Third Proportional to 1,928,632 and 4,200,134

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928,632 : 4,200,134 = 4,200,134 : x
2. Step 2: Convert to fraction form
   1,928,632/4,200,134 = 4,200,134/x
3. Step 3: Cross multiply
   1,928,632x = 4,200,134 × 4,200,134
4. Step 4: Simplify right side
   1,928,632x = 17,641,125,617,956
5. Step 5: Solve for x
   x = 17,641,125,617,956/1,928,632
6. Step 6: Final answer
   x = 9,146,963.04