Finding the Third Proportional to 123,435,013.50 and 168,124,249.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,435,013.50 : 168,124,249.50 = 168,124,249.50 : x
2. Step 2: Convert to fraction form
   123,435,013.50/168,124,249.50 = 168,124,249.50/x
3. Step 3: Cross multiply
   123,435,013.50x = 168,124,249.50 × 168,124,249.50
4. Step 4: Simplify right side
   123,435,013.50x = 28,265,763,269,938,252
5. Step 5: Solve for x
   x = 28,265,763,269,938,252/123,435,013.50
6. Step 6: Final answer
   x = 228,993,074.72