Finding the Third Proportional to 34,030.69 and 78,109.88

Step by Step Solution

1. Step 1: Write the proportion equation
   34,030.69 : 78,109.88 = 78,109.88 : x
2. Step 2: Convert to fraction form
   34,030.69/78,109.88 = 78,109.88/x
3. Step 3: Cross multiply
   34,030.69x = 78,109.88 × 78,109.88
4. Step 4: Simplify right side
   34,030.69x = 6,101,152,572.52
5. Step 5: Solve for x
   x = 6,101,152,572.52/34,030.69
6. Step 6: Final answer
   x = 179,283.85