Finding the Third Proportional to 12,875,551.50 and 18,045,042

Step by Step Solution

1. Step 1: Write the proportion equation
   12,875,551.50 : 18,045,042 = 18,045,042 : x
2. Step 2: Convert to fraction form
   12,875,551.50/18,045,042 = 18,045,042/x
3. Step 3: Cross multiply
   12,875,551.50x = 18,045,042 × 18,045,042
4. Step 4: Simplify right side
   12,875,551.50x = 325,623,540,781,764
5. Step 5: Solve for x
   x = 325,623,540,781,764/12,875,551.50
6. Step 6: Final answer
   x = 25,290,065.50