Finding the Third Proportional to 605,200.50 and 910,413

Step by Step Solution

1. Step 1: Write the proportion equation
   605,200.50 : 910,413 = 910,413 : x
2. Step 2: Convert to fraction form
   605,200.50/910,413 = 910,413/x
3. Step 3: Cross multiply
   605,200.50x = 910,413 × 910,413
4. Step 4: Simplify right side
   605,200.50x = 828,851,830,569
5. Step 5: Solve for x
   x = 828,851,830,569/605,200.50
6. Step 6: Final answer
   x = 1,369,549.15