Finding the Third Proportional to 71,971,247 and 156,721,054

Step by Step Solution

1. Step 1: Write the proportion equation
   71,971,247 : 156,721,054 = 156,721,054 : x
2. Step 2: Convert to fraction form
   71,971,247/156,721,054 = 156,721,054/x
3. Step 3: Cross multiply
   71,971,247x = 156,721,054 × 156,721,054
4. Step 4: Simplify right side
   71,971,247x = 24,561,488,766,870,916
5. Step 5: Solve for x
   x = 24,561,488,766,870,916/71,971,247
6. Step 6: Final answer
   x = 341,268,072.89