Finding the Third Proportional to 77,445 and 104,500.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,445 : 104,500.50 = 104,500.50 : x
2. Step 2: Convert to fraction form
   77,445/104,500.50 = 104,500.50/x
3. Step 3: Cross multiply
   77,445x = 104,500.50 × 104,500.50
4. Step 4: Simplify right side
   77,445x = 10,920,354,500.25
5. Step 5: Solve for x
   x = 10,920,354,500.25/77,445
6. Step 6: Final answer
   x = 141,007.87