Finding the Third Proportional to 12,294,019 and 18,042,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,294,019 : 18,042,436.50 = 18,042,436.50 : x
2. Step 2: Convert to fraction form
   12,294,019/18,042,436.50 = 18,042,436.50/x
3. Step 3: Cross multiply
   12,294,019x = 18,042,436.50 × 18,042,436.50
4. Step 4: Simplify right side
   12,294,019x = 325,529,514,856,532.25
5. Step 5: Solve for x
   x = 325,529,514,856,532.25/12,294,019
6. Step 6: Final answer
   x = 26,478,689.75