Finding the Third Proportional to 11,872,561.50 and 18,814,936.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,872,561.50 : 18,814,936.50 = 18,814,936.50 : x
2. Step 2: Convert to fraction form
   11,872,561.50/18,814,936.50 = 18,814,936.50/x
3. Step 3: Cross multiply
   11,872,561.50x = 18,814,936.50 × 18,814,936.50
4. Step 4: Simplify right side
   11,872,561.50x = 354,001,835,499,032.25
5. Step 5: Solve for x
   x = 354,001,835,499,032.25/11,872,561.50
6. Step 6: Final answer
   x = 29,816,803.69