Finding the Third Proportional to 480,423 and 695,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   480,423 : 695,812.50 = 695,812.50 : x
2. Step 2: Convert to fraction form
   480,423/695,812.50 = 695,812.50/x
3. Step 3: Cross multiply
   480,423x = 695,812.50 × 695,812.50
4. Step 4: Simplify right side
   480,423x = 484,155,035,156.25
5. Step 5: Solve for x
   x = 484,155,035,156.25/480,423
6. Step 6: Final answer
   x = 1,007,768.23