Finding the Third Proportional to 12,293,974 and 18,042,377.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,293,974 : 18,042,377.50 = 18,042,377.50 : x
2. Step 2: Convert to fraction form
   12,293,974/18,042,377.50 = 18,042,377.50/x
3. Step 3: Cross multiply
   12,293,974x = 18,042,377.50 × 18,042,377.50
4. Step 4: Simplify right side
   12,293,974x = 325,527,385,852,506.25
5. Step 5: Solve for x
   x = 325,527,385,852,506.25/12,293,974
6. Step 6: Final answer
   x = 26,478,613.49