Finding the Third Proportional to 349,482 and 764,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,482 : 764,389.50 = 764,389.50 : x
2. Step 2: Convert to fraction form
   349,482/764,389.50 = 764,389.50/x
3. Step 3: Cross multiply
   349,482x = 764,389.50 × 764,389.50
4. Step 4: Simplify right side
   349,482x = 584,291,307,710.25
5. Step 5: Solve for x
   x = 584,291,307,710.25/349,482
6. Step 6: Final answer
   x = 1,671,878.12