Finding the Third Proportional to 118,816,126 and 189,059,818

Step by Step Solution

1. Step 1: Write the proportion equation
   118,816,126 : 189,059,818 = 189,059,818 : x
2. Step 2: Convert to fraction form
   118,816,126/189,059,818 = 189,059,818/x
3. Step 3: Cross multiply
   118,816,126x = 189,059,818 × 189,059,818
4. Step 4: Simplify right side
   118,816,126x = 35,743,614,782,193,124
5. Step 5: Solve for x
   x = 35,743,614,782,193,124/118,816,126
6. Step 6: Final answer
   x = 300,831,343.23