Finding the Third Proportional to 680,748 and 903,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   680,748 : 903,022.50 = 903,022.50 : x
2. Step 2: Convert to fraction form
   680,748/903,022.50 = 903,022.50/x
3. Step 3: Cross multiply
   680,748x = 903,022.50 × 903,022.50
4. Step 4: Simplify right side
   680,748x = 815,449,635,506.25
5. Step 5: Solve for x
   x = 815,449,635,506.25/680,748
6. Step 6: Final answer
   x = 1,197,872.98