Finding the Third Proportional to 8,361,492 and 12,219,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,361,492 : 12,219,562.50 = 12,219,562.50 : x
2. Step 2: Convert to fraction form
   8,361,492/12,219,562.50 = 12,219,562.50/x
3. Step 3: Cross multiply
   8,361,492x = 12,219,562.50 × 12,219,562.50
4. Step 4: Simplify right side
   8,361,492x = 149,317,707,691,406.25
5. Step 5: Solve for x
   x = 149,317,707,691,406.25/8,361,492
6. Step 6: Final answer
   x = 17,857,782.76