Finding the Third Proportional to 8,739,499.25 and 13,230,686.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,739,499.25 : 13,230,686.25 = 13,230,686.25 : x
2. Step 2: Convert to fraction form
   8,739,499.25/13,230,686.25 = 13,230,686.25/x
3. Step 3: Cross multiply
   8,739,499.25x = 13,230,686.25 × 13,230,686.25
4. Step 4: Simplify right side
   8,739,499.25x = 175,051,058,645,939.06
5. Step 5: Solve for x
   x = 175,051,058,645,939.06/8,739,499.25
6. Step 6: Final answer
   x = 20,029,872.84