Finding the Third Proportional to 69,914,036 and 142,603,816

Step by Step Solution

1. Step 1: Write the proportion equation
   69,914,036 : 142,603,816 = 142,603,816 : x
2. Step 2: Convert to fraction form
   69,914,036/142,603,816 = 142,603,816/x
3. Step 3: Cross multiply
   69,914,036x = 142,603,816 × 142,603,816
4. Step 4: Simplify right side
   69,914,036x = 20,335,848,337,761,856
5. Step 5: Solve for x
   x = 20,335,848,337,761,856/69,914,036
6. Step 6: Final answer
   x = 290,869,323.26