Finding the Third Proportional to 1,712,880 and 3,688,848

Step by Step Solution

1. Step 1: Write the proportion equation
   1,712,880 : 3,688,848 = 3,688,848 : x
2. Step 2: Convert to fraction form
   1,712,880/3,688,848 = 3,688,848/x
3. Step 3: Cross multiply
   1,712,880x = 3,688,848 × 3,688,848
4. Step 4: Simplify right side
   1,712,880x = 13,607,599,567,104
5. Step 5: Solve for x
   x = 13,607,599,567,104/1,712,880
6. Step 6: Final answer
   x = 7,944,280.72