Finding the Third Proportional to 215,432,940 and 341,185,182

Step by Step Solution

1. Step 1: Write the proportion equation
   215,432,940 : 341,185,182 = 341,185,182 : x
2. Step 2: Convert to fraction form
   215,432,940/341,185,182 = 341,185,182/x
3. Step 3: Cross multiply
   215,432,940x = 341,185,182 × 341,185,182
4. Step 4: Simplify right side
   215,432,940x = 116,407,328,416,373,120
5. Step 5: Solve for x
   x = 116,407,328,416,373,120/215,432,940
6. Step 6: Final answer
   x = 540,341,362.91