Finding the Third Proportional to 26,902,141 and 42,827,258

Step by Step Solution

1. Step 1: Write the proportion equation
   26,902,141 : 42,827,258 = 42,827,258 : x
2. Step 2: Convert to fraction form
   26,902,141/42,827,258 = 42,827,258/x
3. Step 3: Cross multiply
   26,902,141x = 42,827,258 × 42,827,258
4. Step 4: Simplify right side
   26,902,141x = 1,834,174,027,798,564
5. Step 5: Solve for x
   x = 1,834,174,027,798,564/26,902,141
6. Step 6: Final answer
   x = 68,179,481.62