Finding the Third Proportional to 503,070 and 747,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   503,070 : 747,766.50 = 747,766.50 : x
2. Step 2: Convert to fraction form
   503,070/747,766.50 = 747,766.50/x
3. Step 3: Cross multiply
   503,070x = 747,766.50 × 747,766.50
4. Step 4: Simplify right side
   503,070x = 559,154,738,522.25
5. Step 5: Solve for x
   x = 559,154,738,522.25/503,070
6. Step 6: Final answer
   x = 1,111,484.96