Finding the Third Proportional to 643,117 and 1,371,732

Step by Step Solution

1. Step 1: Write the proportion equation
   643,117 : 1,371,732 = 1,371,732 : x
2. Step 2: Convert to fraction form
   643,117/1,371,732 = 1,371,732/x
3. Step 3: Cross multiply
   643,117x = 1,371,732 × 1,371,732
4. Step 4: Simplify right side
   643,117x = 1,881,648,679,824
5. Step 5: Solve for x
   x = 1,881,648,679,824/643,117
6. Step 6: Final answer
   x = 2,925,826.37