Finding the Third Proportional to 1,069,680 and 2,349,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,680 : 2,349,280 = 2,349,280 : x
2. Step 2: Convert to fraction form
   1,069,680/2,349,280 = 2,349,280/x
3. Step 3: Cross multiply
   1,069,680x = 2,349,280 × 2,349,280
4. Step 4: Simplify right side
   1,069,680x = 5,519,116,518,400
5. Step 5: Solve for x
   x = 5,519,116,518,400/1,069,680
6. Step 6: Final answer
   x = 5,159,595.88