Finding the Third Proportional to 391,875 and 588,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   391,875 : 588,340.50 = 588,340.50 : x
2. Step 2: Convert to fraction form
   391,875/588,340.50 = 588,340.50/x
3. Step 3: Cross multiply
   391,875x = 588,340.50 × 588,340.50
4. Step 4: Simplify right side
   391,875x = 346,144,543,940.25
5. Step 5: Solve for x
   x = 346,144,543,940.25/391,875
6. Step 6: Final answer
   x = 883,303.46