Finding the Third Proportional to 39,320,129 and 58,980,199

Step by Step Solution

1. Step 1: Write the proportion equation
   39,320,129 : 58,980,199 = 58,980,199 : x
2. Step 2: Convert to fraction form
   39,320,129/58,980,199 = 58,980,199/x
3. Step 3: Cross multiply
   39,320,129x = 58,980,199 × 58,980,199
4. Step 4: Simplify right side
   39,320,129x = 3,478,663,874,079,601
5. Step 5: Solve for x
   x = 3,478,663,874,079,601/39,320,129
6. Step 6: Final answer
   x = 88,470,306.75