Finding the Third Proportional to 9,407,380.50 and 19,945,166.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407,380.50 : 19,945,166.63 = 19,945,166.63 : x
2. Step 2: Convert to fraction form
   9,407,380.50/19,945,166.63 = 19,945,166.63/x
3. Step 3: Cross multiply
   9,407,380.50x = 19,945,166.63 × 19,945,166.63
4. Step 4: Simplify right side
   9,407,380.50x = 397,809,671,699,013.88
5. Step 5: Solve for x
   x = 397,809,671,699,013.88/9,407,380.50
6. Step 6: Final answer
   x = 42,286,975.82