Finding the Third Proportional to 33,779,978 and 72,343,060

Step by Step Solution

1. Step 1: Write the proportion equation
   33,779,978 : 72,343,060 = 72,343,060 : x
2. Step 2: Convert to fraction form
   33,779,978/72,343,060 = 72,343,060/x
3. Step 3: Cross multiply
   33,779,978x = 72,343,060 × 72,343,060
4. Step 4: Simplify right side
   33,779,978x = 5,233,518,330,163,600
5. Step 5: Solve for x
   x = 5,233,518,330,163,600/33,779,978
6. Step 6: Final answer
   x = 154,929,595.58