Finding the Third Proportional to 31,111,172 and 48,693,142

Step by Step Solution

1. Step 1: Write the proportion equation
   31,111,172 : 48,693,142 = 48,693,142 : x
2. Step 2: Convert to fraction form
   31,111,172/48,693,142 = 48,693,142/x
3. Step 3: Cross multiply
   31,111,172x = 48,693,142 × 48,693,142
4. Step 4: Simplify right side
   31,111,172x = 2,371,022,077,832,164
5. Step 5: Solve for x
   x = 2,371,022,077,832,164/31,111,172
6. Step 6: Final answer
   x = 76,211,274.77