Finding the Third Proportional to 35,780,148 and 78,589,404

Step by Step Solution

1. Step 1: Write the proportion equation
   35,780,148 : 78,589,404 = 78,589,404 : x
2. Step 2: Convert to fraction form
   35,780,148/78,589,404 = 78,589,404/x
3. Step 3: Cross multiply
   35,780,148x = 78,589,404 × 78,589,404
4. Step 4: Simplify right side
   35,780,148x = 6,176,294,421,075,216
5. Step 5: Solve for x
   x = 6,176,294,421,075,216/35,780,148
6. Step 6: Final answer
   x = 172,617,911.50