Finding the Third Proportional to 9,641,169 and 12,795,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,641,169 : 12,795,259.50 = 12,795,259.50 : x
2. Step 2: Convert to fraction form
   9,641,169/12,795,259.50 = 12,795,259.50/x
3. Step 3: Cross multiply
   9,641,169x = 12,795,259.50 × 12,795,259.50
4. Step 4: Simplify right side
   9,641,169x = 163,718,665,672,340.25
5. Step 5: Solve for x
   x = 163,718,665,672,340.25/9,641,169
6. Step 6: Final answer
   x = 16,981,204.84