Finding the Third Proportional to 71,971,279 and 156,721,118

Step by Step Solution

1. Step 1: Write the proportion equation
   71,971,279 : 156,721,118 = 156,721,118 : x
2. Step 2: Convert to fraction form
   71,971,279/156,721,118 = 156,721,118/x
3. Step 3: Cross multiply
   71,971,279x = 156,721,118 × 156,721,118
4. Step 4: Simplify right side
   71,971,279x = 24,561,508,827,169,924
5. Step 5: Solve for x
   x = 24,561,508,827,169,924/71,971,279
6. Step 6: Final answer
   x = 341,268,199.88