Finding the Third Proportional to 3,381,605,505 and 5,435,913,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,381,605,505 : 5,435,913,172.50 = 5,435,913,172.50 : x
2. Step 2: Convert to fraction form
   3,381,605,505/5,435,913,172.50 = 5,435,913,172.50/x
3. Step 3: Cross multiply
   3,381,605,505x = 5,435,913,172.50 × 5,435,913,172.50
4. Step 4: Simplify right side
   3,381,605,505x = 29,549,152,018,959,015,936
5. Step 5: Solve for x
   x = 29,549,152,018,959,015,936/3,381,605,505
6. Step 6: Final answer
   x = 8,738,202,009.45