Finding the Third Proportional to 70,279.88 and 112,406.63

Step by Step Solution

1. Step 1: Write the proportion equation
   70,279.88 : 112,406.63 = 112,406.63 : x
2. Step 2: Convert to fraction form
   70,279.88/112,406.63 = 112,406.63/x
3. Step 3: Cross multiply
   70,279.88x = 112,406.63 × 112,406.63
4. Step 4: Simplify right side
   70,279.88x = 12,635,249,343.89
5. Step 5: Solve for x
   x = 12,635,249,343.89/70,279.88
6. Step 6: Final answer
   x = 179,784.74