Finding the Third Proportional to 72,921,079 and 112,875,167

Step by Step Solution

1. Step 1: Write the proportion equation
   72,921,079 : 112,875,167 = 112,875,167 : x
2. Step 2: Convert to fraction form
   72,921,079/112,875,167 = 112,875,167/x
3. Step 3: Cross multiply
   72,921,079x = 112,875,167 × 112,875,167
4. Step 4: Simplify right side
   72,921,079x = 12,740,803,325,277,888
5. Step 5: Solve for x
   x = 12,740,803,325,277,888/72,921,079
6. Step 6: Final answer
   x = 174,720,444.35