Finding the Third Proportional to 123,402,155,245 and 173,777,427,444

Step by Step Solution

1. Step 1: Write the proportion equation
   123,402,155,245 : 173,777,427,444 = 173,777,427,444 : x
2. Step 2: Convert to fraction form
   123,402,155,245/173,777,427,444 = 173,777,427,444/x
3. Step 3: Cross multiply
   123,402,155,245x = 173,777,427,444 × 173,777,427,444
4. Step 4: Simplify right side
   123,402,155,245x = 30,198,594,289,054,685,069,312
5. Step 5: Solve for x
   x = 30,198,594,289,054,685,069,312/123,402,155,245
6. Step 6: Final answer
   x = 244,716,911,378.89