Finding the Third Proportional to 87,219,142,239 and 189,323,780,622

Step by Step Solution

1. Step 1: Write the proportion equation
   87,219,142,239 : 189,323,780,622 = 189,323,780,622 : x
2. Step 2: Convert to fraction form
   87,219,142,239/189,323,780,622 = 189,323,780,622/x
3. Step 3: Cross multiply
   87,219,142,239x = 189,323,780,622 × 189,323,780,622
4. Step 4: Simplify right side
   87,219,142,239x = 35,843,493,909,007,184,166,912
5. Step 5: Solve for x
   x = 35,843,493,909,007,184,166,912/87,219,142,239
6. Step 6: Final answer
   x = 410,959,027,902.25