Finding the Third Proportional to 78,837,430.50 and 168,570,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,837,430.50 : 168,570,112.50 = 168,570,112.50 : x
2. Step 2: Convert to fraction form
   78,837,430.50/168,570,112.50 = 168,570,112.50/x
3. Step 3: Cross multiply
   78,837,430.50x = 168,570,112.50 × 168,570,112.50
4. Step 4: Simplify right side
   78,837,430.50x = 28,415,882,828,262,656
5. Step 5: Solve for x
   x = 28,415,882,828,262,656/78,837,430.50
6. Step 6: Final answer
   x = 360,436,440.51