Finding the Third Proportional to 484,470 and 693,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   484,470 : 693,490.50 = 693,490.50 : x
2. Step 2: Convert to fraction form
   484,470/693,490.50 = 693,490.50/x
3. Step 3: Cross multiply
   484,470x = 693,490.50 × 693,490.50
4. Step 4: Simplify right side
   484,470x = 480,929,073,590.25
5. Step 5: Solve for x
   x = 480,929,073,590.25/484,470
6. Step 6: Final answer
   x = 992,691.13