Finding the Third Proportional to 1,287,076 and 1,692,510

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,076 : 1,692,510 = 1,692,510 : x
2. Step 2: Convert to fraction form
   1,287,076/1,692,510 = 1,692,510/x
3. Step 3: Cross multiply
   1,287,076x = 1,692,510 × 1,692,510
4. Step 4: Simplify right side
   1,287,076x = 2,864,590,100,100
5. Step 5: Solve for x
   x = 2,864,590,100,100/1,287,076
6. Step 6: Final answer
   x = 2,225,657.30