Finding the Third Proportional to 16,485,843 and 25,218,319.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,485,843 : 25,218,319.50 = 25,218,319.50 : x
2. Step 2: Convert to fraction form
   16,485,843/25,218,319.50 = 25,218,319.50/x
3. Step 3: Cross multiply
   16,485,843x = 25,218,319.50 × 25,218,319.50
4. Step 4: Simplify right side
   16,485,843x = 635,963,638,404,080.25
5. Step 5: Solve for x
   x = 635,963,638,404,080.25/16,485,843
6. Step 6: Final answer
   x = 38,576,349.32