Finding the Third Proportional to 215,432,944 and 341,185,188

Step by Step Solution

1. Step 1: Write the proportion equation
   215,432,944 : 341,185,188 = 341,185,188 : x
2. Step 2: Convert to fraction form
   215,432,944/341,185,188 = 341,185,188/x
3. Step 3: Cross multiply
   215,432,944x = 341,185,188 × 341,185,188
4. Step 4: Simplify right side
   215,432,944x = 116,407,332,510,595,344
5. Step 5: Solve for x
   x = 116,407,332,510,595,344/215,432,944
6. Step 6: Final answer
   x = 540,341,371.89