Finding the Third Proportional to 1,142,056 and 2,539,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,056 : 2,539,440 = 2,539,440 : x
2. Step 2: Convert to fraction form
   1,142,056/2,539,440 = 2,539,440/x
3. Step 3: Cross multiply
   1,142,056x = 2,539,440 × 2,539,440
4. Step 4: Simplify right side
   1,142,056x = 6,448,755,513,600
5. Step 5: Solve for x
   x = 6,448,755,513,600/1,142,056
6. Step 6: Final answer
   x = 5,646,619.35