Finding the Third Proportional to 448,083 and 709,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   448,083 : 709,861.50 = 709,861.50 : x
2. Step 2: Convert to fraction form
   448,083/709,861.50 = 709,861.50/x
3. Step 3: Cross multiply
   448,083x = 709,861.50 × 709,861.50
4. Step 4: Simplify right side
   448,083x = 503,903,349,182.25
5. Step 5: Solve for x
   x = 503,903,349,182.25/448,083
6. Step 6: Final answer
   x = 1,124,575.91