Finding the Third Proportional to 28,692,866 and 61,479,142

Step by Step Solution

1. Step 1: Write the proportion equation
   28,692,866 : 61,479,142 = 61,479,142 : x
2. Step 2: Convert to fraction form
   28,692,866/61,479,142 = 61,479,142/x
3. Step 3: Cross multiply
   28,692,866x = 61,479,142 × 61,479,142
4. Step 4: Simplify right side
   28,692,866x = 3,779,684,901,056,164
5. Step 5: Solve for x
   x = 3,779,684,901,056,164/28,692,866
6. Step 6: Final answer
   x = 131,729,082.10