Finding the Third Proportional to 8,972,071.50 and 19,681,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,972,071.50 : 19,681,150.50 = 19,681,150.50 : x
2. Step 2: Convert to fraction form
   8,972,071.50/19,681,150.50 = 19,681,150.50/x
3. Step 3: Cross multiply
   8,972,071.50x = 19,681,150.50 × 19,681,150.50
4. Step 4: Simplify right side
   8,972,071.50x = 387,347,685,003,650.25
5. Step 5: Solve for x
   x = 387,347,685,003,650.25/8,972,071.50
6. Step 6: Final answer
   x = 43,172,603.45