Finding the Third Proportional to 51,173,516 and 73,178,690

Step by Step Solution

1. Step 1: Write the proportion equation
   51,173,516 : 73,178,690 = 73,178,690 : x
2. Step 2: Convert to fraction form
   51,173,516/73,178,690 = 73,178,690/x
3. Step 3: Cross multiply
   51,173,516x = 73,178,690 × 73,178,690
4. Step 4: Simplify right side
   51,173,516x = 5,355,120,670,116,100
5. Step 5: Solve for x
   x = 5,355,120,670,116,100/51,173,516
6. Step 6: Final answer
   x = 104,646,330.54