Finding the Third Proportional to 42,085.83 and 61,558.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,085.83 : 61,558.73 = 61,558.73 : x
2. Step 2: Convert to fraction form
   42,085.83/61,558.73 = 61,558.73/x
3. Step 3: Cross multiply
   42,085.83x = 61,558.73 × 61,558.73
4. Step 4: Simplify right side
   42,085.83x = 3,789,477,777.85
5. Step 5: Solve for x
   x = 3,789,477,777.85/42,085.83
6. Step 6: Final answer
   x = 90,041.66