Finding the Third Proportional to 139,069,022 and 289,582,836

Step by Step Solution

1. Step 1: Write the proportion equation
   139,069,022 : 289,582,836 = 289,582,836 : x
2. Step 2: Convert to fraction form
   139,069,022/289,582,836 = 289,582,836/x
3. Step 3: Cross multiply
   139,069,022x = 289,582,836 × 289,582,836
4. Step 4: Simplify right side
   139,069,022x = 83,858,218,905,802,896
5. Step 5: Solve for x
   x = 83,858,218,905,802,896/139,069,022
6. Step 6: Final answer
   x = 602,997,113.95