Finding the Third Proportional to 577,933.50 and 920,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   577,933.50 : 920,410.50 = 920,410.50 : x
2. Step 2: Convert to fraction form
   577,933.50/920,410.50 = 920,410.50/x
3. Step 3: Cross multiply
   577,933.50x = 920,410.50 × 920,410.50
4. Step 4: Simplify right side
   577,933.50x = 847,155,488,510.25
5. Step 5: Solve for x
   x = 847,155,488,510.25/577,933.50
6. Step 6: Final answer
   x = 1,465,835.58