Finding the Third Proportional to 372,978.75 and 804,925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   372,978.75 : 804,925.50 = 804,925.50 : x
2. Step 2: Convert to fraction form
   372,978.75/804,925.50 = 804,925.50/x
3. Step 3: Cross multiply
   372,978.75x = 804,925.50 × 804,925.50
4. Step 4: Simplify right side
   372,978.75x = 647,905,060,550.25
5. Step 5: Solve for x
   x = 647,905,060,550.25/372,978.75
6. Step 6: Final answer
   x = 1,737,109.85