Finding the Third Proportional to 12,364,387.50 and 18,913,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,364,387.50 : 18,913,747.50 = 18,913,747.50 : x
2. Step 2: Convert to fraction form
   12,364,387.50/18,913,747.50 = 18,913,747.50/x
3. Step 3: Cross multiply
   12,364,387.50x = 18,913,747.50 × 18,913,747.50
4. Step 4: Simplify right side
   12,364,387.50x = 357,729,844,493,756.25
5. Step 5: Solve for x
   x = 357,729,844,493,756.25/12,364,387.50
6. Step 6: Final answer
   x = 28,932,273.80