Finding the Third Proportional to 786,948 and 1,688,592

Step by Step Solution

1. Step 1: Write the proportion equation
   786,948 : 1,688,592 = 1,688,592 : x
2. Step 2: Convert to fraction form
   786,948/1,688,592 = 1,688,592/x
3. Step 3: Cross multiply
   786,948x = 1,688,592 × 1,688,592
4. Step 4: Simplify right side
   786,948x = 2,851,342,942,464
5. Step 5: Solve for x
   x = 2,851,342,942,464/786,948
6. Step 6: Final answer
   x = 3,623,292.70