Finding the Third Proportional to 459,096 and 698,803.50

Step by Step Solution

1. Step 1: Write the proportion equation
   459,096 : 698,803.50 = 698,803.50 : x
2. Step 2: Convert to fraction form
   459,096/698,803.50 = 698,803.50/x
3. Step 3: Cross multiply
   459,096x = 698,803.50 × 698,803.50
4. Step 4: Simplify right side
   459,096x = 488,326,331,612.25
5. Step 5: Solve for x
   x = 488,326,331,612.25/459,096
6. Step 6: Final answer
   x = 1,063,669.32