Finding the Third Proportional to 535,281.50 and 788,136

Step by Step Solution

1. Step 1: Write the proportion equation
   535,281.50 : 788,136 = 788,136 : x
2. Step 2: Convert to fraction form
   535,281.50/788,136 = 788,136/x
3. Step 3: Cross multiply
   535,281.50x = 788,136 × 788,136
4. Step 4: Simplify right side
   535,281.50x = 621,158,354,496
5. Step 5: Solve for x
   x = 621,158,354,496/535,281.50
6. Step 6: Final answer
   x = 1,160,433.07