Finding the Third Proportional to 1,611,738 and 2,190,203

Step by Step Solution

1. Step 1: Write the proportion equation
   1,611,738 : 2,190,203 = 2,190,203 : x
2. Step 2: Convert to fraction form
   1,611,738/2,190,203 = 2,190,203/x
3. Step 3: Cross multiply
   1,611,738x = 2,190,203 × 2,190,203
4. Step 4: Simplify right side
   1,611,738x = 4,796,989,181,209
5. Step 5: Solve for x
   x = 4,796,989,181,209/1,611,738
6. Step 6: Final answer
   x = 2,976,283.48