Finding the Third Proportional to 118,816,108 and 189,059,790

Step by Step Solution

1. Step 1: Write the proportion equation
   118,816,108 : 189,059,790 = 189,059,790 : x
2. Step 2: Convert to fraction form
   118,816,108/189,059,790 = 189,059,790/x
3. Step 3: Cross multiply
   118,816,108x = 189,059,790 × 189,059,790
4. Step 4: Simplify right side
   118,816,108x = 35,743,604,194,844,100
5. Step 5: Solve for x
   x = 35,743,604,194,844,100/118,816,108
6. Step 6: Final answer
   x = 300,831,299.70