Finding the Third Proportional to 69,914,032 and 142,603,808

Step by Step Solution

1. Step 1: Write the proportion equation
   69,914,032 : 142,603,808 = 142,603,808 : x
2. Step 2: Convert to fraction form
   69,914,032/142,603,808 = 142,603,808/x
3. Step 3: Cross multiply
   69,914,032x = 142,603,808 × 142,603,808
4. Step 4: Simplify right side
   69,914,032x = 20,335,846,056,100,864
5. Step 5: Solve for x
   x = 20,335,846,056,100,864/69,914,032
6. Step 6: Final answer
   x = 290,869,307.27