Finding the Third Proportional to 30,348 and 64,462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,348 : 64,462.50 = 64,462.50 : x
2. Step 2: Convert to fraction form
   30,348/64,462.50 = 64,462.50/x
3. Step 3: Cross multiply
   30,348x = 64,462.50 × 64,462.50
4. Step 4: Simplify right side
   30,348x = 4,155,413,906.25
5. Step 5: Solve for x
   x = 4,155,413,906.25/30,348
6. Step 6: Final answer
   x = 136,925.46