Finding the Third Proportional to 29,378,870 and 63,858,268

Step by Step Solution

1. Step 1: Write the proportion equation
   29,378,870 : 63,858,268 = 63,858,268 : x
2. Step 2: Convert to fraction form
   29,378,870/63,858,268 = 63,858,268/x
3. Step 3: Cross multiply
   29,378,870x = 63,858,268 × 63,858,268
4. Step 4: Simplify right side
   29,378,870x = 4,077,878,391,959,824
5. Step 5: Solve for x
   x = 4,077,878,391,959,824/29,378,870
6. Step 6: Final answer
   x = 138,803,105.50