Finding the Third Proportional to 427,572 and 907,611.75

Step by Step Solution

1. Step 1: Write the proportion equation
   427,572 : 907,611.75 = 907,611.75 : x
2. Step 2: Convert to fraction form
   427,572/907,611.75 = 907,611.75/x
3. Step 3: Cross multiply
   427,572x = 907,611.75 × 907,611.75
4. Step 4: Simplify right side
   427,572x = 823,759,088,738.06
5. Step 5: Solve for x
   x = 823,759,088,738.06/427,572
6. Step 6: Final answer
   x = 1,926,597.37