Finding the Third Proportional to 458,784.50 and 987,877

Step by Step Solution

1. Step 1: Write the proportion equation
   458,784.50 : 987,877 = 987,877 : x
2. Step 2: Convert to fraction form
   458,784.50/987,877 = 987,877/x
3. Step 3: Cross multiply
   458,784.50x = 987,877 × 987,877
4. Step 4: Simplify right side
   458,784.50x = 975,900,967,129
5. Step 5: Solve for x
   x = 975,900,967,129/458,784.50
6. Step 6: Final answer
   x = 2,127,144.59