Finding the Third Proportional to 1,392,409,072 and 2,088,613,208

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392,409,072 : 2,088,613,208 = 2,088,613,208 : x
2. Step 2: Convert to fraction form
   1,392,409,072/2,088,613,208 = 2,088,613,208/x
3. Step 3: Cross multiply
   1,392,409,072x = 2,088,613,208 × 2,088,613,208
4. Step 4: Simplify right side
   1,392,409,072x = 4,362,305,132,632,051,200
5. Step 5: Solve for x
   x = 4,362,305,132,632,051,200/1,392,409,072
6. Step 6: Final answer
   x = 3,132,919,212.00