Finding the Third Proportional to 3,381,605,510 and 5,435,913,178

Step by Step Solution

1. Step 1: Write the proportion equation
   3,381,605,510 : 5,435,913,178 = 5,435,913,178 : x
2. Step 2: Convert to fraction form
   3,381,605,510/5,435,913,178 = 5,435,913,178/x
3. Step 3: Cross multiply
   3,381,605,510x = 5,435,913,178 × 5,435,913,178
4. Step 4: Simplify right side
   3,381,605,510x = 29,549,152,078,754,058,240
5. Step 5: Solve for x
   x = 29,549,152,078,754,058,240/3,381,605,510
6. Step 6: Final answer
   x = 8,738,202,014.21