Finding the Third Proportional to 38,779,155 and 58,974,642

Step by Step Solution

1. Step 1: Write the proportion equation
   38,779,155 : 58,974,642 = 58,974,642 : x
2. Step 2: Convert to fraction form
   38,779,155/58,974,642 = 58,974,642/x
3. Step 3: Cross multiply
   38,779,155x = 58,974,642 × 58,974,642
4. Step 4: Simplify right side
   38,779,155x = 3,478,008,399,028,164
5. Step 5: Solve for x
   x = 3,478,008,399,028,164/38,779,155
6. Step 6: Final answer
   x = 89,687,575.68