Finding the Third Proportional to 69,355 and 103,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,355 : 103,392.50 = 103,392.50 : x
2. Step 2: Convert to fraction form
   69,355/103,392.50 = 103,392.50/x
3. Step 3: Cross multiply
   69,355x = 103,392.50 × 103,392.50
4. Step 4: Simplify right side
   69,355x = 10,690,009,056.25
5. Step 5: Solve for x
   x = 10,690,009,056.25/69,355
6. Step 6: Final answer
   x = 154,134.66