Finding the Third Proportional to 77,487,499 and 170,089,112

Step by Step Solution

1. Step 1: Write the proportion equation
   77,487,499 : 170,089,112 = 170,089,112 : x
2. Step 2: Convert to fraction form
   77,487,499/170,089,112 = 170,089,112/x
3. Step 3: Cross multiply
   77,487,499x = 170,089,112 × 170,089,112
4. Step 4: Simplify right side
   77,487,499x = 28,930,306,020,948,544
5. Step 5: Solve for x
   x = 28,930,306,020,948,544/77,487,499
6. Step 6: Final answer
   x = 373,354,494.52