Finding the Third Proportional to 17,142,316 and 36,609,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,142,316 : 36,609,483.50 = 36,609,483.50 : x
2. Step 2: Convert to fraction form
   17,142,316/36,609,483.50 = 36,609,483.50/x
3. Step 3: Cross multiply
   17,142,316x = 36,609,483.50 × 36,609,483.50
4. Step 4: Simplify right side
   17,142,316x = 1,340,254,282,136,772.25
5. Step 5: Solve for x
   x = 1,340,254,282,136,772.25/17,142,316
6. Step 6: Final answer
   x = 78,183,967.80