Finding the Third Proportional to 619,593 and 917,875.50

Step by Step Solution

1. Step 1: Write the proportion equation
   619,593 : 917,875.50 = 917,875.50 : x
2. Step 2: Convert to fraction form
   619,593/917,875.50 = 917,875.50/x
3. Step 3: Cross multiply
   619,593x = 917,875.50 × 917,875.50
4. Step 4: Simplify right side
   619,593x = 842,495,433,500.25
5. Step 5: Solve for x
   x = 842,495,433,500.25/619,593
6. Step 6: Final answer
   x = 1,359,756.22