Finding the Third Proportional to 72,912,874 and 158,343,838

Step by Step Solution

1. Step 1: Write the proportion equation
   72,912,874 : 158,343,838 = 158,343,838 : x
2. Step 2: Convert to fraction form
   72,912,874/158,343,838 = 158,343,838/x
3. Step 3: Cross multiply
   72,912,874x = 158,343,838 × 158,343,838
4. Step 4: Simplify right side
   72,912,874x = 25,072,771,032,570,244
5. Step 5: Solve for x
   x = 25,072,771,032,570,244/72,912,874
6. Step 6: Final answer
   x = 343,873,031.70