Finding the Third Proportional to 403,080 and 869,095.50

Step by Step Solution

1. Step 1: Write the proportion equation
   403,080 : 869,095.50 = 869,095.50 : x
2. Step 2: Convert to fraction form
   403,080/869,095.50 = 869,095.50/x
3. Step 3: Cross multiply
   403,080x = 869,095.50 × 869,095.50
4. Step 4: Simplify right side
   403,080x = 755,326,988,120.25
5. Step 5: Solve for x
   x = 755,326,988,120.25/403,080
6. Step 6: Final answer
   x = 1,873,888.53