Finding the Third Proportional to 373,992 and 770,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   373,992 : 770,038.50 = 770,038.50 : x
2. Step 2: Convert to fraction form
   373,992/770,038.50 = 770,038.50/x
3. Step 3: Cross multiply
   373,992x = 770,038.50 × 770,038.50
4. Step 4: Simplify right side
   373,992x = 592,959,291,482.25
5. Step 5: Solve for x
   x = 592,959,291,482.25/373,992
6. Step 6: Final answer
   x = 1,585,486.57