Finding the Third Proportional to 1,688,448 and 2,529,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,448 : 2,529,738 = 2,529,738 : x
2. Step 2: Convert to fraction form
   1,688,448/2,529,738 = 2,529,738/x
3. Step 3: Cross multiply
   1,688,448x = 2,529,738 × 2,529,738
4. Step 4: Simplify right side
   1,688,448x = 6,399,574,348,644
5. Step 5: Solve for x
   x = 6,399,574,348,644/1,688,448
6. Step 6: Final answer
   x = 3,790,211.10