Finding the Third Proportional to 3,679,219,875 and 5,517,478,516.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679,219,875 : 5,517,478,516.50 = 5,517,478,516.50 : x
2. Step 2: Convert to fraction form
   3,679,219,875/5,517,478,516.50 = 5,517,478,516.50/x
3. Step 3: Cross multiply
   3,679,219,875x = 5,517,478,516.50 × 5,517,478,516.50
4. Step 4: Simplify right side
   3,679,219,875x = 30,442,569,180,039,041,024
5. Step 5: Solve for x
   x = 30,442,569,180,039,041,024/3,679,219,875
6. Step 6: Final answer
   x = 8,274,191,327.05