Finding the Third Proportional to 1,288,348.50 and 1,893,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,348.50 : 1,893,156 = 1,893,156 : x
2. Step 2: Convert to fraction form
   1,288,348.50/1,893,156 = 1,893,156/x
3. Step 3: Cross multiply
   1,288,348.50x = 1,893,156 × 1,893,156
4. Step 4: Simplify right side
   1,288,348.50x = 3,584,039,640,336
5. Step 5: Solve for x
   x = 3,584,039,640,336/1,288,348.50
6. Step 6: Final answer
   x = 2,781,886.76