Finding the Third Proportional to 442,215 and 1,039,531.50

Step by Step Solution

1. Step 1: Write the proportion equation
   442,215 : 1,039,531.50 = 1,039,531.50 : x
2. Step 2: Convert to fraction form
   442,215/1,039,531.50 = 1,039,531.50/x
3. Step 3: Cross multiply
   442,215x = 1,039,531.50 × 1,039,531.50
4. Step 4: Simplify right side
   442,215x = 1,080,625,739,492.25
5. Step 5: Solve for x
   x = 1,080,625,739,492.25/442,215
6. Step 6: Final answer
   x = 2,443,665.95