Finding the Third Proportional to 78,564,901 and 185,199,320

Step by Step Solution

1. Step 1: Write the proportion equation
   78,564,901 : 185,199,320 = 185,199,320 : x
2. Step 2: Convert to fraction form
   78,564,901/185,199,320 = 185,199,320/x
3. Step 3: Cross multiply
   78,564,901x = 185,199,320 × 185,199,320
4. Step 4: Simplify right side
   78,564,901x = 34,298,788,128,462,400
5. Step 5: Solve for x
   x = 34,298,788,128,462,400/78,564,901
6. Step 6: Final answer
   x = 436,566,299.86