Finding the Third Proportional to 1,053,170 and 2,312,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053,170 : 2,312,280 = 2,312,280 : x
2. Step 2: Convert to fraction form
   1,053,170/2,312,280 = 2,312,280/x
3. Step 3: Cross multiply
   1,053,170x = 2,312,280 × 2,312,280
4. Step 4: Simplify right side
   1,053,170x = 5,346,638,798,400
5. Step 5: Solve for x
   x = 5,346,638,798,400/1,053,170
6. Step 6: Final answer
   x = 5,076,710.12