Finding the Third Proportional to 74,998 and 105,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,998 : 105,493.50 = 105,493.50 : x
2. Step 2: Convert to fraction form
   74,998/105,493.50 = 105,493.50/x
3. Step 3: Cross multiply
   74,998x = 105,493.50 × 105,493.50
4. Step 4: Simplify right side
   74,998x = 11,128,878,542.25
5. Step 5: Solve for x
   x = 11,128,878,542.25/74,998
6. Step 6: Final answer
   x = 148,389.00