Finding the Third Proportional to 780,693 and 1,164,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   780,693 : 1,164,562.50 = 1,164,562.50 : x
2. Step 2: Convert to fraction form
   780,693/1,164,562.50 = 1,164,562.50/x
3. Step 3: Cross multiply
   780,693x = 1,164,562.50 × 1,164,562.50
4. Step 4: Simplify right side
   780,693x = 1,356,205,816,406.25
5. Step 5: Solve for x
   x = 1,356,205,816,406.25/780,693
6. Step 6: Final answer
   x = 1,737,181.99