Finding the Third Proportional to 387,056 and 569,196

Step by Step Solution

1. Step 1: Write the proportion equation
   387,056 : 569,196 = 569,196 : x
2. Step 2: Convert to fraction form
   387,056/569,196 = 569,196/x
3. Step 3: Cross multiply
   387,056x = 569,196 × 569,196
4. Step 4: Simplify right side
   387,056x = 323,984,086,416
5. Step 5: Solve for x
   x = 323,984,086,416/387,056
6. Step 6: Final answer
   x = 837,047.06