Finding the Third Proportional to 52,426,924 and 78,640,396

Step by Step Solution

1. Step 1: Write the proportion equation
   52,426,924 : 78,640,396 = 78,640,396 : x
2. Step 2: Convert to fraction form
   52,426,924/78,640,396 = 78,640,396/x
3. Step 3: Cross multiply
   52,426,924x = 78,640,396 × 78,640,396
4. Step 4: Simplify right side
   52,426,924x = 6,184,311,883,036,816
5. Step 5: Solve for x
   x = 6,184,311,883,036,816/52,426,924
6. Step 6: Final answer
   x = 117,960,609.00