Finding the Third Proportional to 63,972,980 and 139,304,680

Step by Step Solution

1. Step 1: Write the proportion equation
   63,972,980 : 139,304,680 = 139,304,680 : x
2. Step 2: Convert to fraction form
   63,972,980/139,304,680 = 139,304,680/x
3. Step 3: Cross multiply
   63,972,980x = 139,304,680 × 139,304,680
4. Step 4: Simplify right side
   63,972,980x = 19,405,793,869,902,400
5. Step 5: Solve for x
   x = 19,405,793,869,902,400/63,972,980
6. Step 6: Final answer
   x = 303,343,597.09