Finding the Third Proportional to 8,374,185 and 18,139,558.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,374,185 : 18,139,558.50 = 18,139,558.50 : x
2. Step 2: Convert to fraction form
   8,374,185/18,139,558.50 = 18,139,558.50/x
3. Step 3: Cross multiply
   8,374,185x = 18,139,558.50 × 18,139,558.50
4. Step 4: Simplify right side
   8,374,185x = 329,043,582,574,922.25
5. Step 5: Solve for x
   x = 329,043,582,574,922.25/8,374,185
6. Step 6: Final answer
   x = 39,292,609.68