Finding the Third Proportional to 359,136 and 751,537.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,136 : 751,537.50 = 751,537.50 : x
2. Step 2: Convert to fraction form
   359,136/751,537.50 = 751,537.50/x
3. Step 3: Cross multiply
   359,136x = 751,537.50 × 751,537.50
4. Step 4: Simplify right side
   359,136x = 564,808,613,906.25
5. Step 5: Solve for x
   x = 564,808,613,906.25/359,136
6. Step 6: Final answer
   x = 1,572,687.27