Finding the Third Proportional to 691,443 and 1,084,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   691,443 : 1,084,669.50 = 1,084,669.50 : x
2. Step 2: Convert to fraction form
   691,443/1,084,669.50 = 1,084,669.50/x
3. Step 3: Cross multiply
   691,443x = 1,084,669.50 × 1,084,669.50
4. Step 4: Simplify right side
   691,443x = 1,176,507,924,230.25
5. Step 5: Solve for x
   x = 1,176,507,924,230.25/691,443
6. Step 6: Final answer
   x = 1,701,525.54