Finding the Third Proportional to 487,490 and 1,087,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   487,490 : 1,087,007.50 = 1,087,007.50 : x
2. Step 2: Convert to fraction form
   487,490/1,087,007.50 = 1,087,007.50/x
3. Step 3: Cross multiply
   487,490x = 1,087,007.50 × 1,087,007.50
4. Step 4: Simplify right side
   487,490x = 1,181,585,305,056.25
5. Step 5: Solve for x
   x = 1,181,585,305,056.25/487,490
6. Step 6: Final answer
   x = 2,423,814.45