Finding the Third Proportional to 53,278 and 88,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,278 : 88,784.50 = 88,784.50 : x
2. Step 2: Convert to fraction form
   53,278/88,784.50 = 88,784.50/x
3. Step 3: Cross multiply
   53,278x = 88,784.50 × 88,784.50
4. Step 4: Simplify right side
   53,278x = 7,882,687,440.25
5. Step 5: Solve for x
   x = 7,882,687,440.25/53,278
6. Step 6: Final answer
   x = 147,953.89