Finding the Third Proportional to 78,426,526 and 118,648,458

Step by Step Solution

1. Step 1: Write the proportion equation
   78,426,526 : 118,648,458 = 118,648,458 : x
2. Step 2: Convert to fraction form
   78,426,526/118,648,458 = 118,648,458/x
3. Step 3: Cross multiply
   78,426,526x = 118,648,458 × 118,648,458
4. Step 4: Simplify right side
   78,426,526x = 14,077,456,585,777,764
5. Step 5: Solve for x
   x = 14,077,456,585,777,764/78,426,526
6. Step 6: Final answer
   x = 179,498,663.32