Finding the Third Proportional to 8,670,729 and 12,199,504.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,670,729 : 12,199,504.50 = 12,199,504.50 : x
2. Step 2: Convert to fraction form
   8,670,729/12,199,504.50 = 12,199,504.50/x
3. Step 3: Cross multiply
   8,670,729x = 12,199,504.50 × 12,199,504.50
4. Step 4: Simplify right side
   8,670,729x = 148,827,910,045,520.25
5. Step 5: Solve for x
   x = 148,827,910,045,520.25/8,670,729
6. Step 6: Final answer
   x = 17,164,405.67