Finding the Third Proportional to 503,100 and 747,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   503,100 : 747,805.50 = 747,805.50 : x
2. Step 2: Convert to fraction form
   503,100/747,805.50 = 747,805.50/x
3. Step 3: Cross multiply
   503,100x = 747,805.50 × 747,805.50
4. Step 4: Simplify right side
   503,100x = 559,213,065,830.25
5. Step 5: Solve for x
   x = 559,213,065,830.25/503,100
6. Step 6: Final answer
   x = 1,111,534.62