Finding the Third Proportional to 71,971,238 and 156,721,036

Step by Step Solution

1. Step 1: Write the proportion equation
   71,971,238 : 156,721,036 = 156,721,036 : x
2. Step 2: Convert to fraction form
   71,971,238/156,721,036 = 156,721,036/x
3. Step 3: Cross multiply
   71,971,238x = 156,721,036 × 156,721,036
4. Step 4: Simplify right side
   71,971,238x = 24,561,483,124,913,296
5. Step 5: Solve for x
   x = 24,561,483,124,913,296/71,971,238
6. Step 6: Final answer
   x = 341,268,037.17