Finding the Third Proportional to 1,071,840 and 1,706,164

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,840 : 1,706,164 = 1,706,164 : x
2. Step 2: Convert to fraction form
   1,071,840/1,706,164 = 1,706,164/x
3. Step 3: Cross multiply
   1,071,840x = 1,706,164 × 1,706,164
4. Step 4: Simplify right side
   1,071,840x = 2,910,995,594,896
5. Step 5: Solve for x
   x = 2,910,995,594,896/1,071,840
6. Step 6: Final answer
   x = 2,715,886.32