Finding the Third Proportional to 139,069,015 and 289,582,824

Step by Step Solution

1. Step 1: Write the proportion equation
   139,069,015 : 289,582,824 = 289,582,824 : x
2. Step 2: Convert to fraction form
   139,069,015/289,582,824 = 289,582,824/x
3. Step 3: Cross multiply
   139,069,015x = 289,582,824 × 289,582,824
4. Step 4: Simplify right side
   139,069,015x = 83,858,211,955,814,976
5. Step 5: Solve for x
   x = 83,858,211,955,814,976/139,069,015
6. Step 6: Final answer
   x = 602,997,094.33