Finding the Third Proportional to 598,407 and 874,465.50

Step by Step Solution

1. Step 1: Write the proportion equation
   598,407 : 874,465.50 = 874,465.50 : x
2. Step 2: Convert to fraction form
   598,407/874,465.50 = 874,465.50/x
3. Step 3: Cross multiply
   598,407x = 874,465.50 × 874,465.50
4. Step 4: Simplify right side
   598,407x = 764,689,910,690.25
5. Step 5: Solve for x
   x = 764,689,910,690.25/598,407
6. Step 6: Final answer
   x = 1,277,875.95