Finding the Third Proportional to 603,217,665,548 and 899,595,465,180

Step by Step Solution

1. Step 1: Write the proportion equation
   603,217,665,548 : 899,595,465,180 = 899,595,465,180 : x
2. Step 2: Convert to fraction form
   603,217,665,548/899,595,465,180 = 899,595,465,180/x
3. Step 3: Cross multiply
   603,217,665,548x = 899,595,465,180 × 899,595,465,180
4. Step 4: Simplify right side
   603,217,665,548x = 809,272,000,972,420,561,240,064
5. Step 5: Solve for x
   x = 809,272,000,972,420,561,240,064/603,217,665,548
6. Step 6: Final answer
   x = 1,341,592,010,965.44