Finding the Third Proportional to 42,642,919.50 and 67,464,853.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,642,919.50 : 67,464,853.50 = 67,464,853.50 : x
2. Step 2: Convert to fraction form
   42,642,919.50/67,464,853.50 = 67,464,853.50/x
3. Step 3: Cross multiply
   42,642,919.50x = 67,464,853.50 × 67,464,853.50
4. Step 4: Simplify right side
   42,642,919.50x = 4,551,506,457,776,462
5. Step 5: Solve for x
   x = 4,551,506,457,776,462/42,642,919.50
6. Step 6: Final answer
   x = 106,735,338.74