Finding the Third Proportional to 35,474.63 and 69,967.13

Step by Step Solution

1. Step 1: Write the proportion equation
   35,474.63 : 69,967.13 = 69,967.13 : x
2. Step 2: Convert to fraction form
   35,474.63/69,967.13 = 69,967.13/x
3. Step 3: Cross multiply
   35,474.63x = 69,967.13 × 69,967.13
4. Step 4: Simplify right side
   35,474.63x = 4,895,398,580.77
5. Step 5: Solve for x
   x = 4,895,398,580.77/35,474.63
6. Step 6: Final answer
   x = 137,997.19