Finding the Third Proportional to 34,354,906 and 72,685,760

Step by Step Solution

1. Step 1: Write the proportion equation
   34,354,906 : 72,685,760 = 72,685,760 : x
2. Step 2: Convert to fraction form
   34,354,906/72,685,760 = 72,685,760/x
3. Step 3: Cross multiply
   34,354,906x = 72,685,760 × 72,685,760
4. Step 4: Simplify right side
   34,354,906x = 5,283,219,706,777,600
5. Step 5: Solve for x
   x = 5,283,219,706,777,600/34,354,906
6. Step 6: Final answer
   x = 153,783,558.80