Finding the Third Proportional to 8,326,855.69 and 12,490,281

Step by Step Solution

1. Step 1: Write the proportion equation
   8,326,855.69 : 12,490,281 = 12,490,281 : x
2. Step 2: Convert to fraction form
   8,326,855.69/12,490,281 = 12,490,281/x
3. Step 3: Cross multiply
   8,326,855.69x = 12,490,281 × 12,490,281
4. Step 4: Simplify right side
   8,326,855.69x = 156,007,119,458,961
5. Step 5: Solve for x
   x = 156,007,119,458,961/8,326,855.69
6. Step 6: Final answer
   x = 18,735,417.70