Finding the Third Proportional to 787,357 and 1,221,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   787,357 : 1,221,499.50 = 1,221,499.50 : x
2. Step 2: Convert to fraction form
   787,357/1,221,499.50 = 1,221,499.50/x
3. Step 3: Cross multiply
   787,357x = 1,221,499.50 × 1,221,499.50
4. Step 4: Simplify right side
   787,357x = 1,492,061,028,500.25
5. Step 5: Solve for x
   x = 1,492,061,028,500.25/787,357
6. Step 6: Final answer
   x = 1,895,024.78