Finding the Third Proportional to 619,996 and 877,535.50

Step by Step Solution

1. Step 1: Write the proportion equation
   619,996 : 877,535.50 = 877,535.50 : x
2. Step 2: Convert to fraction form
   619,996/877,535.50 = 877,535.50/x
3. Step 3: Cross multiply
   619,996x = 877,535.50 × 877,535.50
4. Step 4: Simplify right side
   619,996x = 770,068,553,760.25
5. Step 5: Solve for x
   x = 770,068,553,760.25/619,996
6. Step 6: Final answer
   x = 1,242,054.07