Finding the Third Proportional to 12,141,541.41 and 18,681,259.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,141,541.41 : 18,681,259.78 = 18,681,259.78 : x
2. Step 2: Convert to fraction form
   12,141,541.41/18,681,259.78 = 18,681,259.78/x
3. Step 3: Cross multiply
   12,141,541.41x = 18,681,259.78 × 18,681,259.78
4. Step 4: Simplify right side
   12,141,541.41x = 348,989,467,014,548.81
5. Step 5: Solve for x
   x = 348,989,467,014,548.81/12,141,541.41
6. Step 6: Final answer
   x = 28,743,423.54