Finding the Third Proportional to 139,069,060 and 289,582,908

Step by Step Solution

1. Step 1: Write the proportion equation
   139,069,060 : 289,582,908 = 289,582,908 : x
2. Step 2: Convert to fraction form
   139,069,060/289,582,908 = 289,582,908/x
3. Step 3: Cross multiply
   139,069,060x = 289,582,908 × 289,582,908
4. Step 4: Simplify right side
   139,069,060x = 83,858,260,605,736,464
5. Step 5: Solve for x
   x = 83,858,260,605,736,464/139,069,060
6. Step 6: Final answer
   x = 602,997,249.03