Finding the Third Proportional to 788,860 and 1,727,880

Step by Step Solution

1. Step 1: Write the proportion equation
   788,860 : 1,727,880 = 1,727,880 : x
2. Step 2: Convert to fraction form
   788,860/1,727,880 = 1,727,880/x
3. Step 3: Cross multiply
   788,860x = 1,727,880 × 1,727,880
4. Step 4: Simplify right side
   788,860x = 2,985,569,294,400
5. Step 5: Solve for x
   x = 2,985,569,294,400/788,860
6. Step 6: Final answer
   x = 3,784,663.05