Finding the Third Proportional to 2,485,897,964.50 and 5,385,559,241

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,897,964.50 : 5,385,559,241 = 5,385,559,241 : x
2. Step 2: Convert to fraction form
   2,485,897,964.50/5,385,559,241 = 5,385,559,241/x
3. Step 3: Cross multiply
   2,485,897,964.50x = 5,385,559,241 × 5,385,559,241
4. Step 4: Simplify right side
   2,485,897,964.50x = 29,004,248,338,320,494,592
5. Step 5: Solve for x
   x = 29,004,248,338,320,494,592/2,485,897,964.50
6. Step 6: Final answer
   x = 11,667,513,611.79