Finding the Third Proportional to 774,468 and 1,667,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   774,468 : 1,667,587.50 = 1,667,587.50 : x
2. Step 2: Convert to fraction form
   774,468/1,667,587.50 = 1,667,587.50/x
3. Step 3: Cross multiply
   774,468x = 1,667,587.50 × 1,667,587.50
4. Step 4: Simplify right side
   774,468x = 2,780,848,070,156.25
5. Step 5: Solve for x
   x = 2,780,848,070,156.25/774,468
6. Step 6: Final answer
   x = 3,590,655.87