Finding the Third Proportional to 19,697,388 and 31,467,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,697,388 : 31,467,025.50 = 31,467,025.50 : x
2. Step 2: Convert to fraction form
   19,697,388/31,467,025.50 = 31,467,025.50/x
3. Step 3: Cross multiply
   19,697,388x = 31,467,025.50 × 31,467,025.50
4. Step 4: Simplify right side
   19,697,388x = 990,173,693,817,650.25
5. Step 5: Solve for x
   x = 990,173,693,817,650.25/19,697,388
6. Step 6: Final answer
   x = 50,269,289.20