Finding the Third Proportional to 476,607 and 698,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   476,607 : 698,872.50 = 698,872.50 : x
2. Step 2: Convert to fraction form
   476,607/698,872.50 = 698,872.50/x
3. Step 3: Cross multiply
   476,607x = 698,872.50 × 698,872.50
4. Step 4: Simplify right side
   476,607x = 488,422,771,256.25
5. Step 5: Solve for x
   x = 488,422,771,256.25/476,607
6. Step 6: Final answer
   x = 1,024,791.43