Finding the Third Proportional to 35,984,830 and 78,358,940

Step by Step Solution

1. Step 1: Write the proportion equation
   35,984,830 : 78,358,940 = 78,358,940 : x
2. Step 2: Convert to fraction form
   35,984,830/78,358,940 = 78,358,940/x
3. Step 3: Cross multiply
   35,984,830x = 78,358,940 × 78,358,940
4. Step 4: Simplify right side
   35,984,830x = 6,140,123,477,923,600
5. Step 5: Solve for x
   x = 6,140,123,477,923,600/35,984,830
6. Step 6: Final answer
   x = 170,630,887.46