Finding the Third Proportional to 1,870,396 and 4,059,608

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,396 : 4,059,608 = 4,059,608 : x
2. Step 2: Convert to fraction form
   1,870,396/4,059,608 = 4,059,608/x
3. Step 3: Cross multiply
   1,870,396x = 4,059,608 × 4,059,608
4. Step 4: Simplify right side
   1,870,396x = 16,480,417,113,664
5. Step 5: Solve for x
   x = 16,480,417,113,664/1,870,396
6. Step 6: Final answer
   x = 8,811,191.38