Finding the Third Proportional to 130,683 and 286,264.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,683 : 286,264.50 = 286,264.50 : x
2. Step 2: Convert to fraction form
   130,683/286,264.50 = 286,264.50/x
3. Step 3: Cross multiply
   130,683x = 286,264.50 × 286,264.50
4. Step 4: Simplify right side
   130,683x = 81,947,363,960.25
5. Step 5: Solve for x
   x = 81,947,363,960.25/130,683
6. Step 6: Final answer
   x = 627,069.81