Finding the Third Proportional to 2,487,672 and 5,225,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487,672 : 5,225,998.50 = 5,225,998.50 : x
2. Step 2: Convert to fraction form
   2,487,672/5,225,998.50 = 5,225,998.50/x
3. Step 3: Cross multiply
   2,487,672x = 5,225,998.50 × 5,225,998.50
4. Step 4: Simplify right side
   2,487,672x = 27,311,060,322,002.25
5. Step 5: Solve for x
   x = 27,311,060,322,002.25/2,487,672
6. Step 6: Final answer
   x = 10,978,561.61