Finding the Third Proportional to 478,337.06 and 740,611.69

Step by Step Solution

1. Step 1: Write the proportion equation
   478,337.06 : 740,611.69 = 740,611.69 : x
2. Step 2: Convert to fraction form
   478,337.06/740,611.69 = 740,611.69/x
3. Step 3: Cross multiply
   478,337.06x = 740,611.69 × 740,611.69
4. Step 4: Simplify right side
   478,337.06x = 548,505,671,661.60
5. Step 5: Solve for x
   x = 548,505,671,661.60/478,337.06
6. Step 6: Final answer
   x = 1,146,692.81