Finding the Third Proportional to 692,560 and 1,513,280

Step by Step Solution

1. Step 1: Write the proportion equation
   692,560 : 1,513,280 = 1,513,280 : x
2. Step 2: Convert to fraction form
   692,560/1,513,280 = 1,513,280/x
3. Step 3: Cross multiply
   692,560x = 1,513,280 × 1,513,280
4. Step 4: Simplify right side
   692,560x = 2,290,016,358,400
5. Step 5: Solve for x
   x = 2,290,016,358,400/692,560
6. Step 6: Final answer
   x = 3,306,596.34