Finding the Third Proportional to 1,038,320 and 1,518,060

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,320 : 1,518,060 = 1,518,060 : x
2. Step 2: Convert to fraction form
   1,038,320/1,518,060 = 1,518,060/x
3. Step 3: Cross multiply
   1,038,320x = 1,518,060 × 1,518,060
4. Step 4: Simplify right side
   1,038,320x = 2,304,506,163,600
5. Step 5: Solve for x
   x = 2,304,506,163,600/1,038,320
6. Step 6: Final answer
   x = 2,219,456.59