Finding the Third Proportional to 788,314 and 1,217,404

Step by Step Solution

1. Step 1: Write the proportion equation
   788,314 : 1,217,404 = 1,217,404 : x
2. Step 2: Convert to fraction form
   788,314/1,217,404 = 1,217,404/x
3. Step 3: Cross multiply
   788,314x = 1,217,404 × 1,217,404
4. Step 4: Simplify right side
   788,314x = 1,482,072,499,216
5. Step 5: Solve for x
   x = 1,482,072,499,216/788,314
6. Step 6: Final answer
   x = 1,880,053.51