Finding the Third Proportional to 10,402,119.56 and 16,566,415.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402,119.56 : 16,566,415.31 = 16,566,415.31 : x
2. Step 2: Convert to fraction form
   10,402,119.56/16,566,415.31 = 16,566,415.31/x
3. Step 3: Cross multiply
   10,402,119.56x = 16,566,415.31 × 16,566,415.31
4. Step 4: Simplify right side
   10,402,119.56x = 274,446,116,306,234.47
5. Step 5: Solve for x
   x = 274,446,116,306,234.47/10,402,119.56
6. Step 6: Final answer
   x = 26,383,672.54