Finding the Third Proportional to 1,712,088 and 3,645,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,712,088 : 3,645,360 = 3,645,360 : x
2. Step 2: Convert to fraction form
   1,712,088/3,645,360 = 3,645,360/x
3. Step 3: Cross multiply
   1,712,088x = 3,645,360 × 3,645,360
4. Step 4: Simplify right side
   1,712,088x = 13,288,649,529,600
5. Step 5: Solve for x
   x = 13,288,649,529,600/1,712,088
6. Step 6: Final answer
   x = 7,761,662.68