Finding the Third Proportional to 755,861 and 1,145,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   755,861 : 1,145,788.50 = 1,145,788.50 : x
2. Step 2: Convert to fraction form
   755,861/1,145,788.50 = 1,145,788.50/x
3. Step 3: Cross multiply
   755,861x = 1,145,788.50 × 1,145,788.50
4. Step 4: Simplify right side
   755,861x = 1,312,831,286,732.25
5. Step 5: Solve for x
   x = 1,312,831,286,732.25/755,861
6. Step 6: Final answer
   x = 1,736,868.67