Finding the Third Proportional to 999,342 and 1,312,038

Step by Step Solution

1. Step 1: Write the proportion equation
   999,342 : 1,312,038 = 1,312,038 : x
2. Step 2: Convert to fraction form
   999,342/1,312,038 = 1,312,038/x
3. Step 3: Cross multiply
   999,342x = 1,312,038 × 1,312,038
4. Step 4: Simplify right side
   999,342x = 1,721,443,713,444
5. Step 5: Solve for x
   x = 1,721,443,713,444/999,342
6. Step 6: Final answer
   x = 1,722,577.17