Finding the Third Proportional to 1,903,128 and 4,184,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903,128 : 4,184,784 = 4,184,784 : x
2. Step 2: Convert to fraction form
   1,903,128/4,184,784 = 4,184,784/x
3. Step 3: Cross multiply
   1,903,128x = 4,184,784 × 4,184,784
4. Step 4: Simplify right side
   1,903,128x = 17,512,417,126,656
5. Step 5: Solve for x
   x = 17,512,417,126,656/1,903,128
6. Step 6: Final answer
   x = 9,201,912.39