Finding the Third Proportional to 357,246 and 763,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,246 : 763,618.50 = 763,618.50 : x
2. Step 2: Convert to fraction form
   357,246/763,618.50 = 763,618.50/x
3. Step 3: Cross multiply
   357,246x = 763,618.50 × 763,618.50
4. Step 4: Simplify right side
   357,246x = 583,113,213,542.25
5. Step 5: Solve for x
   x = 583,113,213,542.25/357,246
6. Step 6: Final answer
   x = 1,632,245.61