Finding the Third Proportional to 787,160 and 1,688,992

Step by Step Solution

1. Step 1: Write the proportion equation
   787,160 : 1,688,992 = 1,688,992 : x
2. Step 2: Convert to fraction form
   787,160/1,688,992 = 1,688,992/x
3. Step 3: Cross multiply
   787,160x = 1,688,992 × 1,688,992
4. Step 4: Simplify right side
   787,160x = 2,852,693,976,064
5. Step 5: Solve for x
   x = 2,852,693,976,064/787,160
6. Step 6: Final answer
   x = 3,624,033.20