Finding the Third Proportional to 12,146,878.50 and 18,626,303.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,146,878.50 : 18,626,303.25 = 18,626,303.25 : x
2. Step 2: Convert to fraction form
   12,146,878.50/18,626,303.25 = 18,626,303.25/x
3. Step 3: Cross multiply
   12,146,878.50x = 18,626,303.25 × 18,626,303.25
4. Step 4: Simplify right side
   12,146,878.50x = 346,939,172,760,960.56
5. Step 5: Solve for x
   x = 346,939,172,760,960.56/12,146,878.50
6. Step 6: Final answer
   x = 28,562,002.39