Finding the Third Proportional to 31,157,034 and 72,122,896.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,157,034 : 72,122,896.50 = 72,122,896.50 : x
2. Step 2: Convert to fraction form
   31,157,034/72,122,896.50 = 72,122,896.50/x
3. Step 3: Cross multiply
   31,157,034x = 72,122,896.50 × 72,122,896.50
4. Step 4: Simplify right side
   31,157,034x = 5,201,712,199,549,712
5. Step 5: Solve for x
   x = 5,201,712,199,549,712/31,157,034
6. Step 6: Final answer
   x = 166,951,456.28