Finding the Third Proportional to 1,340,688 and 2,917,248

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,688 : 2,917,248 = 2,917,248 : x
2. Step 2: Convert to fraction form
   1,340,688/2,917,248 = 2,917,248/x
3. Step 3: Cross multiply
   1,340,688x = 2,917,248 × 2,917,248
4. Step 4: Simplify right side
   1,340,688x = 8,510,335,893,504
5. Step 5: Solve for x
   x = 8,510,335,893,504/1,340,688
6. Step 6: Final answer
   x = 6,347,737.80