Finding the Third Proportional to 53,353.69 and 70,006.78

Step by Step Solution

1. Step 1: Write the proportion equation
   53,353.69 : 70,006.78 = 70,006.78 : x
2. Step 2: Convert to fraction form
   53,353.69/70,006.78 = 70,006.78/x
3. Step 3: Cross multiply
   53,353.69x = 70,006.78 × 70,006.78
4. Step 4: Simplify right side
   53,353.69x = 4,900,949,420.99
5. Step 5: Solve for x
   x = 4,900,949,420.99/53,353.69
6. Step 6: Final answer
   x = 91,857.74