Finding the Third Proportional to 470,365 and 706,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   470,365 : 706,607.50 = 706,607.50 : x
2. Step 2: Convert to fraction form
   470,365/706,607.50 = 706,607.50/x
3. Step 3: Cross multiply
   470,365x = 706,607.50 × 706,607.50
4. Step 4: Simplify right side
   470,365x = 499,294,159,056.25
5. Step 5: Solve for x
   x = 499,294,159,056.25/470,365
6. Step 6: Final answer
   x = 1,061,503.64