Finding the Third Proportional to 778,782.50 and 1,137,552

Step by Step Solution

1. Step 1: Write the proportion equation
   778,782.50 : 1,137,552 = 1,137,552 : x
2. Step 2: Convert to fraction form
   778,782.50/1,137,552 = 1,137,552/x
3. Step 3: Cross multiply
   778,782.50x = 1,137,552 × 1,137,552
4. Step 4: Simplify right side
   778,782.50x = 1,294,024,552,704
5. Step 5: Solve for x
   x = 1,294,024,552,704/778,782.50
6. Step 6: Final answer
   x = 1,661,599.42