Finding the Third Proportional to 42,449,123.25 and 67,324,516.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,449,123.25 : 67,324,516.88 = 67,324,516.88 : x
2. Step 2: Convert to fraction form
   42,449,123.25/67,324,516.88 = 67,324,516.88/x
3. Step 3: Cross multiply
   42,449,123.25x = 67,324,516.88 × 67,324,516.88
4. Step 4: Simplify right side
   42,449,123.25x = 4,532,590,572,452,160
5. Step 5: Solve for x
   x = 4,532,590,572,452,160/42,449,123.25
6. Step 6: Final answer
   x = 106,777,012.70