Finding the Third Proportional to 64,938 and 141,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,938 : 141,787.50 = 141,787.50 : x
2. Step 2: Convert to fraction form
   64,938/141,787.50 = 141,787.50/x
3. Step 3: Cross multiply
   64,938x = 141,787.50 × 141,787.50
4. Step 4: Simplify right side
   64,938x = 20,103,695,156.25
5. Step 5: Solve for x
   x = 20,103,695,156.25/64,938
6. Step 6: Final answer
   x = 309,582.91