Finding the Third Proportional to 1,688,921 and 2,614,164

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,921 : 2,614,164 = 2,614,164 : x
2. Step 2: Convert to fraction form
   1,688,921/2,614,164 = 2,614,164/x
3. Step 3: Cross multiply
   1,688,921x = 2,614,164 × 2,614,164
4. Step 4: Simplify right side
   1,688,921x = 6,833,853,418,896
5. Step 5: Solve for x
   x = 6,833,853,418,896/1,688,921
6. Step 6: Final answer
   x = 4,046,283.64