Finding the Third Proportional to 921,566 and 1,442,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   921,566 : 1,442,492.50 = 1,442,492.50 : x
2. Step 2: Convert to fraction form
   921,566/1,442,492.50 = 1,442,492.50/x
3. Step 3: Cross multiply
   921,566x = 1,442,492.50 × 1,442,492.50
4. Step 4: Simplify right side
   921,566x = 2,080,784,612,556.25
5. Step 5: Solve for x
   x = 2,080,784,612,556.25/921,566
6. Step 6: Final answer
   x = 2,257,879.10