Finding the Third Proportional to 215,432,987 and 341,185,260

Step by Step Solution

1. Step 1: Write the proportion equation
   215,432,987 : 341,185,260 = 341,185,260 : x
2. Step 2: Convert to fraction form
   215,432,987/341,185,260 = 341,185,260/x
3. Step 3: Cross multiply
   215,432,987x = 341,185,260 × 341,185,260
4. Step 4: Simplify right side
   215,432,987x = 116,407,381,641,267,600
5. Step 5: Solve for x
   x = 116,407,381,641,267,600/215,432,987
6. Step 6: Final answer
   x = 540,341,492.09