Finding the Third Proportional to 731,131 and 1,692,443

Step by Step Solution

1. Step 1: Write the proportion equation
   731,131 : 1,692,443 = 1,692,443 : x
2. Step 2: Convert to fraction form
   731,131/1,692,443 = 1,692,443/x
3. Step 3: Cross multiply
   731,131x = 1,692,443 × 1,692,443
4. Step 4: Simplify right side
   731,131x = 2,864,363,308,249
5. Step 5: Solve for x
   x = 2,864,363,308,249/731,131
6. Step 6: Final answer
   x = 3,917,715.58