Finding the Third Proportional to 710,760 and 1,677,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   710,760 : 1,677,856.50 = 1,677,856.50 : x
2. Step 2: Convert to fraction form
   710,760/1,677,856.50 = 1,677,856.50/x
3. Step 3: Cross multiply
   710,760x = 1,677,856.50 × 1,677,856.50
4. Step 4: Simplify right side
   710,760x = 2,815,202,434,592.25
5. Step 5: Solve for x
   x = 2,815,202,434,592.25/710,760
6. Step 6: Final answer
   x = 3,960,834.09