Finding the Third Proportional to 78,464.63 and 100,746.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,464.63 : 100,746.94 = 100,746.94 : x
2. Step 2: Convert to fraction form
   78,464.63/100,746.94 = 100,746.94/x
3. Step 3: Cross multiply
   78,464.63x = 100,746.94 × 100,746.94
4. Step 4: Simplify right side
   78,464.63x = 10,149,945,415.63
5. Step 5: Solve for x
   x = 10,149,945,415.63/78,464.63
6. Step 6: Final answer
   x = 129,356.96