Finding the Third Proportional to 1,068,912 and 1,643,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,912 : 1,643,688 = 1,643,688 : x
2. Step 2: Convert to fraction form
   1,068,912/1,643,688 = 1,643,688/x
3. Step 3: Cross multiply
   1,068,912x = 1,643,688 × 1,643,688
4. Step 4: Simplify right side
   1,068,912x = 2,701,710,241,344
5. Step 5: Solve for x
   x = 2,701,710,241,344/1,068,912
6. Step 6: Final answer
   x = 2,527,532.89