Finding the Third Proportional to 34,116.19 and 74,788.31

Step by Step Solution

1. Step 1: Write the proportion equation
   34,116.19 : 74,788.31 = 74,788.31 : x
2. Step 2: Convert to fraction form
   34,116.19/74,788.31 = 74,788.31/x
3. Step 3: Cross multiply
   34,116.19x = 74,788.31 × 74,788.31
4. Step 4: Simplify right side
   34,116.19x = 5,593,291,686.60
5. Step 5: Solve for x
   x = 5,593,291,686.60/34,116.19
6. Step 6: Final answer
   x = 163,948.32