Finding the Third Proportional to 118,816,107 and 189,059,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,816,107 : 189,059,788.50 = 189,059,788.50 : x
2. Step 2: Convert to fraction form
   118,816,107/189,059,788.50 = 189,059,788.50/x
3. Step 3: Cross multiply
   118,816,107x = 189,059,788.50 × 189,059,788.50
4. Step 4: Simplify right side
   118,816,107x = 35,743,603,627,664,732
5. Step 5: Solve for x
   x = 35,743,603,627,664,732/118,816,107
6. Step 6: Final answer
   x = 300,831,297.46