Finding the Third Proportional to 577,518 and 1,391,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   577,518 : 1,391,308.50 = 1,391,308.50 : x
2. Step 2: Convert to fraction form
   577,518/1,391,308.50 = 1,391,308.50/x
3. Step 3: Cross multiply
   577,518x = 1,391,308.50 × 1,391,308.50
4. Step 4: Simplify right side
   577,518x = 1,935,739,342,172.25
5. Step 5: Solve for x
   x = 1,935,739,342,172.25/577,518
6. Step 6: Final answer
   x = 3,351,825.12