Finding the Third Proportional to 142,107,896.25 and 311,003,202

Step by Step Solution

1. Step 1: Write the proportion equation
   142,107,896.25 : 311,003,202 = 311,003,202 : x
2. Step 2: Convert to fraction form
   142,107,896.25/311,003,202 = 311,003,202/x
3. Step 3: Cross multiply
   142,107,896.25x = 311,003,202 × 311,003,202
4. Step 4: Simplify right side
   142,107,896.25x = 96,722,991,654,252,800
5. Step 5: Solve for x
   x = 96,722,991,654,252,800/142,107,896.25
6. Step 6: Final answer
   x = 680,630,663.09