Finding the Third Proportional to 9,274,799.50 and 12,816,020

Step by Step Solution

1. Step 1: Write the proportion equation
   9,274,799.50 : 12,816,020 = 12,816,020 : x
2. Step 2: Convert to fraction form
   9,274,799.50/12,816,020 = 12,816,020/x
3. Step 3: Cross multiply
   9,274,799.50x = 12,816,020 × 12,816,020
4. Step 4: Simplify right side
   9,274,799.50x = 164,250,368,640,400
5. Step 5: Solve for x
   x = 164,250,368,640,400/9,274,799.50
6. Step 6: Final answer
   x = 17,709,317.45