Finding the Third Proportional to 19,434,602 and 42,530,258

Step by Step Solution

1. Step 1: Write the proportion equation
   19,434,602 : 42,530,258 = 42,530,258 : x
2. Step 2: Convert to fraction form
   19,434,602/42,530,258 = 42,530,258/x
3. Step 3: Cross multiply
   19,434,602x = 42,530,258 × 42,530,258
4. Step 4: Simplify right side
   19,434,602x = 1,808,822,845,546,564
5. Step 5: Solve for x
   x = 1,808,822,845,546,564/19,434,602
6. Step 6: Final answer
   x = 93,072,286.51