Finding the Third Proportional to 33,406,078.50 and 69,867,054

Step by Step Solution

1. Step 1: Write the proportion equation
   33,406,078.50 : 69,867,054 = 69,867,054 : x
2. Step 2: Convert to fraction form
   33,406,078.50/69,867,054 = 69,867,054/x
3. Step 3: Cross multiply
   33,406,078.50x = 69,867,054 × 69,867,054
4. Step 4: Simplify right side
   33,406,078.50x = 4,881,405,234,638,916
5. Step 5: Solve for x
   x = 4,881,405,234,638,916/33,406,078.50
6. Step 6: Final answer
   x = 146,123,264.20