Finding the Third Proportional to 139,069,020 and 289,582,832

Step by Step Solution

1. Step 1: Write the proportion equation
   139,069,020 : 289,582,832 = 289,582,832 : x
2. Step 2: Convert to fraction form
   139,069,020/289,582,832 = 289,582,832/x
3. Step 3: Cross multiply
   139,069,020x = 289,582,832 × 289,582,832
4. Step 4: Simplify right side
   139,069,020x = 83,858,216,589,140,224
5. Step 5: Solve for x
   x = 83,858,216,589,140,224/139,069,020
6. Step 6: Final answer
   x = 602,997,105.96