Finding the Third Proportional to 78,837,411 and 168,570,078

Step by Step Solution

1. Step 1: Write the proportion equation
   78,837,411 : 168,570,078 = 168,570,078 : x
2. Step 2: Convert to fraction form
   78,837,411/168,570,078 = 168,570,078/x
3. Step 3: Cross multiply
   78,837,411x = 168,570,078 × 168,570,078
4. Step 4: Simplify right side
   78,837,411x = 28,415,871,196,926,084
5. Step 5: Solve for x
   x = 28,415,871,196,926,084/78,837,411
6. Step 6: Final answer
   x = 360,436,382.12