Finding the Third Proportional to 503,106 and 747,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   503,106 : 747,814.50 = 747,814.50 : x
2. Step 2: Convert to fraction form
   503,106/747,814.50 = 747,814.50/x
3. Step 3: Cross multiply
   503,106x = 747,814.50 × 747,814.50
4. Step 4: Simplify right side
   503,106x = 559,226,526,410.25
5. Step 5: Solve for x
   x = 559,226,526,410.25/503,106
6. Step 6: Final answer
   x = 1,111,548.12