Finding the Third Proportional to 463,887 and 653,242.50

Step by Step Solution

1. Step 1: Write the proportion equation
   463,887 : 653,242.50 = 653,242.50 : x
2. Step 2: Convert to fraction form
   463,887/653,242.50 = 653,242.50/x
3. Step 3: Cross multiply
   463,887x = 653,242.50 × 653,242.50
4. Step 4: Simplify right side
   463,887x = 426,725,763,806.25
5. Step 5: Solve for x
   x = 426,725,763,806.25/463,887
6. Step 6: Final answer
   x = 919,891.62