Finding the Third Proportional to 610,591.50 and 1,329,786

Step by Step Solution

1. Step 1: Write the proportion equation
   610,591.50 : 1,329,786 = 1,329,786 : x
2. Step 2: Convert to fraction form
   610,591.50/1,329,786 = 1,329,786/x
3. Step 3: Cross multiply
   610,591.50x = 1,329,786 × 1,329,786
4. Step 4: Simplify right side
   610,591.50x = 1,768,330,805,796
5. Step 5: Solve for x
   x = 1,768,330,805,796/610,591.50
6. Step 6: Final answer
   x = 2,896,094.70