Finding the Third Proportional to 1,201,670 and 2,573,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,670 : 2,573,920 = 2,573,920 : x
2. Step 2: Convert to fraction form
   1,201,670/2,573,920 = 2,573,920/x
3. Step 3: Cross multiply
   1,201,670x = 2,573,920 × 2,573,920
4. Step 4: Simplify right side
   1,201,670x = 6,625,064,166,400
5. Step 5: Solve for x
   x = 6,625,064,166,400/1,201,670
6. Step 6: Final answer
   x = 5,513,214.25