Finding the Third Proportional to 349,905 and 763,114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,905 : 763,114.50 = 763,114.50 : x
2. Step 2: Convert to fraction form
   349,905/763,114.50 = 763,114.50/x
3. Step 3: Cross multiply
   349,905x = 763,114.50 × 763,114.50
4. Step 4: Simplify right side
   349,905x = 582,343,740,110.25
5. Step 5: Solve for x
   x = 582,343,740,110.25/349,905
6. Step 6: Final answer
   x = 1,664,290.99