Finding the Third Proportional to 291,613.50 and 695,499.75

Step by Step Solution

1. Step 1: Write the proportion equation
   291,613.50 : 695,499.75 = 695,499.75 : x
2. Step 2: Convert to fraction form
   291,613.50/695,499.75 = 695,499.75/x
3. Step 3: Cross multiply
   291,613.50x = 695,499.75 × 695,499.75
4. Step 4: Simplify right side
   291,613.50x = 483,719,902,250.06
5. Step 5: Solve for x
   x = 483,719,902,250.06/291,613.50
6. Step 6: Final answer
   x = 1,658,770.61