Finding the Third Proportional to 8,947,297.50 and 13,680,942

Step by Step Solution

1. Step 1: Write the proportion equation
   8,947,297.50 : 13,680,942 = 13,680,942 : x
2. Step 2: Convert to fraction form
   8,947,297.50/13,680,942 = 13,680,942/x
3. Step 3: Cross multiply
   8,947,297.50x = 13,680,942 × 13,680,942
4. Step 4: Simplify right side
   8,947,297.50x = 187,168,174,007,364
5. Step 5: Solve for x
   x = 187,168,174,007,364/8,947,297.50
6. Step 6: Final answer
   x = 20,918,961.73