Finding the Third Proportional to 8,317,405.50 and 18,099,400.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,317,405.50 : 18,099,400.50 = 18,099,400.50 : x
2. Step 2: Convert to fraction form
   8,317,405.50/18,099,400.50 = 18,099,400.50/x
3. Step 3: Cross multiply
   8,317,405.50x = 18,099,400.50 × 18,099,400.50
4. Step 4: Simplify right side
   8,317,405.50x = 327,588,298,459,400.25
5. Step 5: Solve for x
   x = 327,588,298,459,400.25/8,317,405.50
6. Step 6: Final answer
   x = 39,385,875.61