Finding the Third Proportional to 647,757,212 and 1,398,730,162

Step by Step Solution

1. Step 1: Write the proportion equation
   647,757,212 : 1,398,730,162 = 1,398,730,162 : x
2. Step 2: Convert to fraction form
   647,757,212/1,398,730,162 = 1,398,730,162/x
3. Step 3: Cross multiply
   647,757,212x = 1,398,730,162 × 1,398,730,162
4. Step 4: Simplify right side
   647,757,212x = 1,956,446,066,088,546,304
5. Step 5: Solve for x
   x = 1,956,446,066,088,546,304/647,757,212
6. Step 6: Final answer
   x = 3,020,338,530.93