Finding the Third Proportional to 2,129,498 and 3,190,959

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,498 : 3,190,959 = 3,190,959 : x
2. Step 2: Convert to fraction form
   2,129,498/3,190,959 = 3,190,959/x
3. Step 3: Cross multiply
   2,129,498x = 3,190,959 × 3,190,959
4. Step 4: Simplify right side
   2,129,498x = 10,182,219,339,681
5. Step 5: Solve for x
   x = 10,182,219,339,681/2,129,498
6. Step 6: Final answer
   x = 4,781,511.58