Finding the Third Proportional to 3,817,141 and 8,320,148

Step by Step Solution

1. Step 1: Write the proportion equation
   3,817,141 : 8,320,148 = 8,320,148 : x
2. Step 2: Convert to fraction form
   3,817,141/8,320,148 = 8,320,148/x
3. Step 3: Cross multiply
   3,817,141x = 8,320,148 × 8,320,148
4. Step 4: Simplify right side
   3,817,141x = 69,224,862,741,904
5. Step 5: Solve for x
   x = 69,224,862,741,904/3,817,141
6. Step 6: Final answer
   x = 18,135,264.78