Finding the Third Proportional to 766,215 and 1,155,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   766,215 : 1,155,153.50 = 1,155,153.50 : x
2. Step 2: Convert to fraction form
   766,215/1,155,153.50 = 1,155,153.50/x
3. Step 3: Cross multiply
   766,215x = 1,155,153.50 × 1,155,153.50
4. Step 4: Simplify right side
   766,215x = 1,334,379,608,562.25
5. Step 5: Solve for x
   x = 1,334,379,608,562.25/766,215
6. Step 6: Final answer
   x = 1,741,521.12