Finding the Third Proportional to 1,680,348 and 2,551,590

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680,348 : 2,551,590 = 2,551,590 : x
2. Step 2: Convert to fraction form
   1,680,348/2,551,590 = 2,551,590/x
3. Step 3: Cross multiply
   1,680,348x = 2,551,590 × 2,551,590
4. Step 4: Simplify right side
   1,680,348x = 6,510,611,528,100
5. Step 5: Solve for x
   x = 6,510,611,528,100/1,680,348
6. Step 6: Final answer
   x = 3,874,561.42