Finding the Third Proportional to 52,426,868 and 78,640,308

Step by Step Solution

1. Step 1: Write the proportion equation
   52,426,868 : 78,640,308 = 78,640,308 : x
2. Step 2: Convert to fraction form
   52,426,868/78,640,308 = 78,640,308/x
3. Step 3: Cross multiply
   52,426,868x = 78,640,308 × 78,640,308
4. Step 4: Simplify right side
   52,426,868x = 6,184,298,042,334,864
5. Step 5: Solve for x
   x = 6,184,298,042,334,864/52,426,868
6. Step 6: Final answer
   x = 117,960,471.00