Finding the Third Proportional to 308,670,672,242 and 668,632,857,834

Step by Step Solution

1. Step 1: Write the proportion equation
   308,670,672,242 : 668,632,857,834 = 668,632,857,834 : x
2. Step 2: Convert to fraction form
   308,670,672,242/668,632,857,834 = 668,632,857,834/x
3. Step 3: Cross multiply
   308,670,672,242x = 668,632,857,834 × 668,632,857,834
4. Step 4: Simplify right side
   308,670,672,242x = 447,069,898,575,262,087,380,992
5. Step 5: Solve for x
   x = 447,069,898,575,262,087,380,992/308,670,672,242
6. Step 6: Final answer
   x = 1,448,371,804,577.39