Finding the Third Proportional to 470,520 and 747,832.50

Step by Step Solution

1. Step 1: Write the proportion equation
   470,520 : 747,832.50 = 747,832.50 : x
2. Step 2: Convert to fraction form
   470,520/747,832.50 = 747,832.50/x
3. Step 3: Cross multiply
   470,520x = 747,832.50 × 747,832.50
4. Step 4: Simplify right side
   470,520x = 559,253,448,056.25
5. Step 5: Solve for x
   x = 559,253,448,056.25/470,520
6. Step 6: Final answer
   x = 1,188,585.92