Finding the Third Proportional to 1,047,300 and 1,638,342

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047,300 : 1,638,342 = 1,638,342 : x
2. Step 2: Convert to fraction form
   1,047,300/1,638,342 = 1,638,342/x
3. Step 3: Cross multiply
   1,047,300x = 1,638,342 × 1,638,342
4. Step 4: Simplify right side
   1,047,300x = 2,684,164,508,964
5. Step 5: Solve for x
   x = 2,684,164,508,964/1,047,300
6. Step 6: Final answer
   x = 2,562,937.56