Finding the Third Proportional to 1,139,711.50 and 1,758,911

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,711.50 : 1,758,911 = 1,758,911 : x
2. Step 2: Convert to fraction form
   1,139,711.50/1,758,911 = 1,758,911/x
3. Step 3: Cross multiply
   1,139,711.50x = 1,758,911 × 1,758,911
4. Step 4: Simplify right side
   1,139,711.50x = 3,093,767,905,921
5. Step 5: Solve for x
   x = 3,093,767,905,921/1,139,711.50
6. Step 6: Final answer
   x = 2,714,518.46