Finding the Third Proportional to 1,906,538 and 2,666,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906,538 : 2,666,688 = 2,666,688 : x
2. Step 2: Convert to fraction form
   1,906,538/2,666,688 = 2,666,688/x
3. Step 3: Cross multiply
   1,906,538x = 2,666,688 × 2,666,688
4. Step 4: Simplify right side
   1,906,538x = 7,111,224,889,344
5. Step 5: Solve for x
   x = 7,111,224,889,344/1,906,538
6. Step 6: Final answer
   x = 3,729,915.11