Finding the Third Proportional to 684,915 and 1,090,795.50

Step by Step Solution

1. Step 1: Write the proportion equation
   684,915 : 1,090,795.50 = 1,090,795.50 : x
2. Step 2: Convert to fraction form
   684,915/1,090,795.50 = 1,090,795.50/x
3. Step 3: Cross multiply
   684,915x = 1,090,795.50 × 1,090,795.50
4. Step 4: Simplify right side
   684,915x = 1,189,834,822,820.25
5. Step 5: Solve for x
   x = 1,189,834,822,820.25/684,915
6. Step 6: Final answer
   x = 1,737,200.71