Finding the Third Proportional to 2,379,926.25 and 5,138,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379,926.25 : 5,138,581.50 = 5,138,581.50 : x
2. Step 2: Convert to fraction form
   2,379,926.25/5,138,581.50 = 5,138,581.50/x
3. Step 3: Cross multiply
   2,379,926.25x = 5,138,581.50 × 5,138,581.50
4. Step 4: Simplify right side
   2,379,926.25x = 26,405,019,832,142.25
5. Step 5: Solve for x
   x = 26,405,019,832,142.25/2,379,926.25
6. Step 6: Final answer
   x = 11,094,889.95