Finding the Third Proportional to 9,243,108.50 and 19,947,680

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243,108.50 : 19,947,680 = 19,947,680 : x
2. Step 2: Convert to fraction form
   9,243,108.50/19,947,680 = 19,947,680/x
3. Step 3: Cross multiply
   9,243,108.50x = 19,947,680 × 19,947,680
4. Step 4: Simplify right side
   9,243,108.50x = 397,909,937,382,400
5. Step 5: Solve for x
   x = 397,909,937,382,400/9,243,108.50
6. Step 6: Final answer
   x = 43,049,363.47