Finding the Third Proportional to 1,676,580 and 2,659,160

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676,580 : 2,659,160 = 2,659,160 : x
2. Step 2: Convert to fraction form
   1,676,580/2,659,160 = 2,659,160/x
3. Step 3: Cross multiply
   1,676,580x = 2,659,160 × 2,659,160
4. Step 4: Simplify right side
   1,676,580x = 7,071,131,905,600
5. Step 5: Solve for x
   x = 7,071,131,905,600/1,676,580
6. Step 6: Final answer
   x = 4,217,592.90