Finding the Third Proportional to 455,989.50 and 881,361

Step by Step Solution

1. Step 1: Write the proportion equation
   455,989.50 : 881,361 = 881,361 : x
2. Step 2: Convert to fraction form
   455,989.50/881,361 = 881,361/x
3. Step 3: Cross multiply
   455,989.50x = 881,361 × 881,361
4. Step 4: Simplify right side
   455,989.50x = 776,797,212,321
5. Step 5: Solve for x
   x = 776,797,212,321/455,989.50
6. Step 6: Final answer
   x = 1,703,541.88