Finding the Third Proportional to 40,113 and 59,917.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,113 : 59,917.50 = 59,917.50 : x
2. Step 2: Convert to fraction form
   40,113/59,917.50 = 59,917.50/x
3. Step 3: Cross multiply
   40,113x = 59,917.50 × 59,917.50
4. Step 4: Simplify right side
   40,113x = 3,590,106,806.25
5. Step 5: Solve for x
   x = 3,590,106,806.25/40,113
6. Step 6: Final answer
   x = 89,499.83